Zuozhi Fzz discovered that QEMU incorrectly handled USB OHCI emulation support. A privileged attacker inside the guest could use this issue to cause QEMU to crash, resulting in a denial of service.
(CVE-2016-2391)

Qinghao Tang discovered that QEMU incorrectly handled USB Net emulation support. A privileged attacker inside the guest could use this issue to cause QEMU to crash, resulting in a denial of service.
(CVE-2016-2392)

Qinghao Tang discovered that QEMU incorrectly handled USB Net emulation support. A privileged attacker inside the guest could use this issue to cause QEMU to crash, resulting in a denial of service, or possibly leak host memory bytes. (CVE-2016-2538)

Hongke Yang discovered that QEMU incorrectly handled NE2000 emulation support. A privileged attacker inside the guest could use this issue to cause QEMU to crash, resulting in a denial of service.
(CVE-2016-2841)

Ling Liu discovered that QEMU incorrectly handled IP checksum routines. An attacker inside the guest could use this issue to cause QEMU to crash, resulting in a denial of service, or possibly leak host memory bytes. (CVE-2016-2857)

It was discovered that QEMU incorrectly handled the PRNG back-end support. An attacker inside the guest could use this issue to cause QEMU to crash, resulting in a denial of service. This issue only applied to Ubuntu 14.04 LTS, Ubuntu 15.10 and Ubuntu 16.04 LTS.
(CVE-2016-2858)

Wei Xiao and Qinghao Tang discovered that QEMU incorrectly handled access in the VGA module. A privileged attacker inside the guest could use this issue to cause QEMU to crash, resulting in a denial of service, or possibly execute arbitrary code on the host. In the default installation, when QEMU is used with libvirt, attackers would be isolated by the libvirt AppArmor profile. (CVE-2016-3710)

Zuozhi Fzz discovered that QEMU incorrectly handled access in the VGA module. A privileged attacker inside the guest could use this issue to cause QEMU to crash, resulting in a denial of service, or possibly execute arbitrary code on the host. In the default installation, when QEMU is used with libvirt, attackers would be isolated by the libvirt AppArmor profile. (CVE-2016-3712)

Oleksandr Bazhaniuk discovered that QEMU incorrectly handled Luminary Micro Stellaris ethernet controller emulation. A remote attacker could use this issue to cause QEMU to crash, resulting in a denial of service. (CVE-2016-4001)

Oleksandr Bazhaniuk discovered that QEMU incorrectly handled MIPSnet controller emulation. A remote attacker could use this issue to cause QEMU to crash, resulting in a denial of service. (CVE-2016-4002)

Donghai Zdh discovered that QEMU incorrectly handled the Task Priority Register(TPR). A privileged attacker inside the guest could use this issue to possibly leak host memory bytes. This issue only applied to Ubuntu 14.04 LTS, Ubuntu 15.10 and Ubuntu 16.04 LTS. (CVE-2016-4020)

Du Shaobo discovered that QEMU incorrectly handled USB EHCI emulation support. A privileged attacker inside the guest could use this issue to cause QEMU to consume resources, resulting in a denial of service.
(CVE-2016-4037).

Note that Tenable Network Security has extracted the preceding description block directly from the Ubuntu security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

- CVE-2016-3710: incorrect bounds checking in vga (bz     #1334345)

  - CVE-2016-3712: out of bounds read in vga (bz #1334342)

  - Fix USB redirection (bz #1330221)

  - CVE-2016-4037: infinite loop in usb ehci (bz #1328080)

  - CVE-2016-4001: buffer overflow in stellaris net (bz     #1325885)

  - CVE-2016-2858: rng stack corruption (bz #1314677)

  - CVE-2016-2391: ohci: crash via multiple timers (bz     #1308881)

  - CVE-2016-2198: ehci: NULL pointer dereference (bz     #1303134)

  - Fix tpm passthrough (bz #1281413)

  - Fix ./configure with ccache

  - Ship sysctl file to fix s390x kvm (bz #1290589)

Note that Tenable Network Security has extracted the preceding description block directly from the Fedora update system website.
Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

xen was updated to fix 27 security issues.

These security issues were fixed :

  - CVE-2013-4533: Buffer overflow in the pxa2xx_ssp_load     function in hw/arm/pxa2xx.c allowed remote attackers to     cause a denial of service or possibly execute arbitrary     code via a crafted s->rx_level value in a savevm image     (bsc#864655).

  - CVE-2013-4534: Buffer overflow in hw/intc/openpic.c     allowed remote attackers to cause a denial of service or     possibly execute arbitrary code via vectors related to     IRQDest elements (bsc#864811).

  - CVE-2013-4537: The ssi_sd_transfer function in     hw/sd/ssi-sd.c allowed remote attackers to execute     arbitrary code via a crafted arglen value in a savevm     image (bsc#864391).

  - CVE-2013-4538: Multiple buffer overflows in the     ssd0323_load function in hw/display/ssd0323.c allowed     remote attackers to cause a denial of service (memory     corruption) or possibly execute arbitrary code via     crafted (1) cmd_len, (2) row, or (3) col values; (4)     row_start and row_end values; or (5) col_star and     col_end values in a savevm image (bsc#864769).

  - CVE-2013-4539: Multiple buffer overflows in the     tsc210x_load function in hw/input/tsc210x.c might have     allowed remote attackers to execute arbitrary code via a     crafted (1) precision, (2) nextprecision, (3) function,     or (4) nextfunction value in a savevm image     (bsc#864805).

  - CVE-2014-0222: Integer overflow in the qcow_open     function in block/qcow.c allowed remote attackers to     cause a denial of service (crash) via a large L2 table     in a QCOW version 1 image (bsc#877642).

  - CVE-2014-3640: The sosendto function in slirp/udp.c     allowed local users to cause a denial of service (NULL     pointer dereference) by sending a udp packet with a     value of 0 in the source port and address, which     triggers access of an uninitialized socket (bsc#897654).

  - CVE-2014-3689: The vmware-vga driver     (hw/display/vmware_vga.c) allowed local guest users to     write to qemu memory locations and gain privileges via     unspecified parameters related to rectangle handling     (bsc#901508).

  - CVE-2014-7815: The set_pixel_format function in ui/vnc.c     allowed remote attackers to cause a denial of service     (crash) via a small bytes_per_pixel value (bsc#902737).

  - CVE-2015-5278: Infinite loop in ne2000_receive()     function (bsc#945989).

  - CVE-2015-7512: Buffer overflow in the pcnet_receive     function in hw/net/pcnet.c, when a guest NIC has a     larger MTU, allowed remote attackers to cause a denial     of service (guest OS crash) or execute arbitrary code     via a large packet (bsc#957162).

  - CVE-2015-8504: VNC: floating point exception     (bsc#958491).

  - CVE-2015-8550: Paravirtualized drivers were incautious     about shared memory contents (XSA-155) (bsc#957988).

  - CVE-2015-8554: qemu-dm buffer overrun in MSI-X handling     (XSA-164) (bsc#958007).

  - CVE-2015-8555: Information leak in legacy x86 FPU/XMM     initialization (XSA-165) (bsc#958009).

  - CVE-2015-8558: Infinite loop in ehci_advance_state     resulted in DoS (bsc#959005).

  - CVE-2015-8743: ne2000: OOB memory access in ioport r/w     functions (bsc#960725).

  - CVE-2015-8745: Reading IMR registers lead to a crash via     assert(2) call (bsc#960707).

  - CVE-2016-1570: The PV superpage functionality in     arch/x86/mm.c allowed local PV guests to obtain     sensitive information, cause a denial of service, gain     privileges, or have unspecified other impact via a     crafted page identifier (MFN) to the (1)     MMUEXT_MARK_SUPER or (2) MMUEXT_UNMARK_SUPER sub-op in     the HYPERVISOR_mmuext_op hypercall or (3) unknown     vectors related to page table updates (bsc#960861).

  - CVE-2016-1571: VMX: intercept issue with INVLPG on     non-canonical address (XSA-168) (bsc#960862).

  - CVE-2016-1714: nvram: OOB r/w access in processing     firmware configurations (bsc#961691).

  - CVE-2016-1981: e1000 infinite loop in start_xmit and     e1000_receive_iov routines (bsc#963782).

  - CVE-2016-2270: Xen allowed local guest administrators to     cause a denial of service (host reboot) via vectors     related to multiple mappings of MMIO pages with     different cachability settings (bsc#965315).

  - CVE-2016-2271: VMX when using an Intel or Cyrix CPU,     allowed local HVM guest users to cause a denial of     service (guest crash) via vectors related to a     non-canonical RIP (bsc#965317).

  - CVE-2016-2391: usb: multiple eof_timers in ohci module     lead to NULL pointer dereference (bsc#967013).

  - CVE-2016-2841: ne2000: Infinite loop in ne2000_receive     (bsc#969350).

  - XSA-166: ioreq handling possibly susceptible to multiple     read issue (bsc#958523).

The update package also includes non-security fixes. See advisory for details.

Note that Tenable Network Security has extracted the preceding description block directly from the SUSE security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

xen was updated to fix 36 security issues.

These security issues were fixed :

  - CVE-2013-4527: Buffer overflow in hw/timer/hpet.c might     have allowed remote attackers to execute arbitrary code     via vectors related to the number of timers     (bnc#864673).

  - CVE-2013-4529: Buffer overflow in hw/pci/pcie_aer.c     allowed remote attackers to cause a denial of service     and possibly execute arbitrary code via a large log_num     value in a savevm image (bnc#864678).

  - CVE-2013-4530: Buffer overflow in hw/ssi/pl022.c allowed     remote attackers to cause a denial of service or     possibly execute arbitrary code via crafted tx_fifo_head     and rx_fifo_head values in a savevm image (bnc#864682).

  - CVE-2013-4533: Buffer overflow in the pxa2xx_ssp_load     function in hw/arm/pxa2xx.c allowed remote attackers to     cause a denial of service or possibly execute arbitrary     code via a crafted s->rx_level value in a savevm image     (bsc#864655).

  - CVE-2013-4534: Buffer overflow in hw/intc/openpic.c     allowed remote attackers to cause a denial of service or     possibly execute arbitrary code via vectors related to     IRQDest elements (bsc#864811).

  - CVE-2013-4537: The ssi_sd_transfer function in     hw/sd/ssi-sd.c allowed remote attackers to execute     arbitrary code via a crafted arglen value in a savevm     image (bsc#864391).

  - CVE-2013-4538: Multiple buffer overflows in the     ssd0323_load function in hw/display/ssd0323.c allowed     remote attackers to cause a denial of service (memory     corruption) or possibly execute arbitrary code via     crafted (1) cmd_len, (2) row, or (3) col values; (4)     row_start and row_end values; or (5) col_star and     col_end values in a savevm image (bsc#864769).

  - CVE-2013-4539: Multiple buffer overflows in the     tsc210x_load function in hw/input/tsc210x.c might have     allowed remote attackers to execute arbitrary code via a     crafted (1) precision, (2) nextprecision, (3) function,     or (4) nextfunction value in a savevm image     (bsc#864805).

  - CVE-2014-0222: Integer overflow in the qcow_open     function in block/qcow.c allowed remote attackers to     cause a denial of service (crash) via a large L2 table     in a QCOW version 1 image (bsc#877642).

  - CVE-2014-3640: The sosendto function in slirp/udp.c     allowed local users to cause a denial of service (NULL     pointer dereference) by sending a udp packet with a     value of 0 in the source port and address, which     triggers access of an uninitialized socket (bsc#897654).

  - CVE-2014-3689: The vmware-vga driver     (hw/display/vmware_vga.c) allowed local guest users to     write to qemu memory locations and gain privileges via     unspecified parameters related to rectangle handling     (bsc#901508).

  - CVE-2014-7815: The set_pixel_format function in ui/vnc.c     allowed remote attackers to cause a denial of service     (crash) via a small bytes_per_pixel value (bsc#902737).

  - CVE-2014-9718: The (1) BMDMA and (2) AHCI HBA interfaces     in the IDE functionality had multiple interpretations of     a function's return value, which allowed guest OS users     to cause a host OS denial of service (memory consumption     or infinite loop, and system crash) via a PRDT with zero     complete sectors, related to the bmdma_prepare_buf and     ahci_dma_prepare_buf functions (bsc#928393).

  - CVE-2015-5278: Infinite loop in ne2000_receive()     function (bsc#945989).

  - CVE-2015-6855: hw/ide/core.c did not properly restrict     the commands accepted by an ATAPI device, which allowed     guest users to cause a denial of service or possibly     have unspecified other impact via certain IDE commands,     as demonstrated by a WIN_READ_NATIVE_MAX command to an     empty drive, which triggers a divide-by-zero error and     instance crash (bsc#945404).

  - CVE-2015-7512: Buffer overflow in the pcnet_receive     function in hw/net/pcnet.c, when a guest NIC has a     larger MTU, allowed remote attackers to cause a denial     of service (guest OS crash) or execute arbitrary code     via a large packet (bsc#957162).

  - CVE-2015-8345: eepro100: infinite loop in processing     command block list (bsc#956829).

  - CVE-2015-8504: VNC: floating point exception     (bsc#958491).

  - CVE-2015-8550: Paravirtualized drivers were incautious     about shared memory contents (XSA-155) (bsc#957988).

  - CVE-2015-8554: qemu-dm buffer overrun in MSI-X handling     (XSA-164) (bsc#958007).

  - CVE-2015-8555: Information leak in legacy x86 FPU/XMM     initialization (XSA-165) (bsc#958009).

  - CVE-2015-8558: Infinite loop in ehci_advance_state     resulted in DoS (bsc#959005).

  - CVE-2015-8743: ne2000: OOB memory access in ioport r/w     functions (bsc#960725).

  - CVE-2015-8745: Reading IMR registers lead to a crash via     assert(2) call (bsc#960707).

  - CVE-2016-1568: AHCI use-after-free vulnerability in aio     port commands (bsc#961332).

  - CVE-2016-1570: The PV superpage functionality in     arch/x86/mm.c allowed local PV guests to obtain     sensitive information, cause a denial of service, gain     privileges, or have unspecified other impact via a     crafted page identifier (MFN) to the (1)     MMUEXT_MARK_SUPER or (2) MMUEXT_UNMARK_SUPER sub-op in     the HYPERVISOR_mmuext_op hypercall or (3) unknown     vectors related to page table updates (bsc#960861).

  - CVE-2016-1571: VMX: intercept issue with INVLPG on     non-canonical address (XSA-168) (bsc#960862).

  - CVE-2016-1714: nvram: OOB r/w access in processing     firmware configurations (bsc#961691).

  - CVE-2016-1981: e1000 infinite loop in start_xmit and     e1000_receive_iov routines (bsc#963782).

  - CVE-2016-2270: Xen allowed local guest administrators to     cause a denial of service (host reboot) via vectors     related to multiple mappings of MMIO pages with     different cachability settings (bsc#965315).

  - CVE-2016-2271: VMX when using an Intel or Cyrix CPU,     allowed local HVM guest users to cause a denial of     service (guest crash) via vectors related to a     non-canonical RIP (bsc#965317).

  - CVE-2016-2391: usb: multiple eof_timers in ohci module     lead to NULL pointer dereference (bsc#967013).

  - CVE-2016-2392: NULL pointer dereference in remote NDIS     control message handling (bsc#967012).

  - CVE-2016-2538: Integer overflow in remote NDIS control     message handling (bsc#967969).

  - CVE-2016-2841: ne2000: Infinite loop in ne2000_receive     (bsc#969350).

  - XSA-166: ioreq handling possibly susceptible to multiple     read issue (bsc#958523).

The update package also includes non-security fixes. See advisory for details.

Note that Tenable Network Security has extracted the preceding description block directly from the SUSE security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

xen was updated to fix 47 security issues.

These security issues were fixed :

  - CVE-2013-4527: Buffer overflow in hw/timer/hpet.c might     have allowed remote attackers to execute arbitrary code     via vectors related to the number of timers     (bnc#864673).

  - CVE-2013-4529: Buffer overflow in hw/pci/pcie_aer.c     allowed remote attackers to cause a denial of service     and possibly execute arbitrary code via a large log_num     value in a savevm image (bnc#864678).

  - CVE-2013-4530: Buffer overflow in hw/ssi/pl022.c allowed     remote attackers to cause a denial of service or     possibly execute arbitrary code via crafted tx_fifo_head     and rx_fifo_head values in a savevm image (bnc#864682).

  - CVE-2013-4533: Buffer overflow in the pxa2xx_ssp_load     function in hw/arm/pxa2xx.c allowed remote attackers to     cause a denial of service or possibly execute arbitrary     code via a crafted s->rx_level value in a savevm image     (bsc#864655).

  - CVE-2013-4534: Buffer overflow in hw/intc/openpic.c     allowed remote attackers to cause a denial of service or     possibly execute arbitrary code via vectors related to     IRQDest elements (bsc#864811).

  - CVE-2013-4537: The ssi_sd_transfer function in     hw/sd/ssi-sd.c allowed remote attackers to execute     arbitrary code via a crafted arglen value in a savevm     image (bsc#864391).

  - CVE-2013-4538: Multiple buffer overflows in the     ssd0323_load function in hw/display/ssd0323.c allowed     remote attackers to cause a denial of service (memory     corruption) or possibly execute arbitrary code via     crafted (1) cmd_len, (2) row, or (3) col values; (4)     row_start and row_end values; or (5) col_star and     col_end values in a savevm image (bsc#864769).

  - CVE-2013-4539: Multiple buffer overflows in the     tsc210x_load function in hw/input/tsc210x.c might have     allowed remote attackers to execute arbitrary code via a     crafted (1) precision, (2) nextprecision, (3) function,     or (4) nextfunction value in a savevm image     (bsc#864805).

  - CVE-2014-0222: Integer overflow in the qcow_open     function in block/qcow.c allowed remote attackers to     cause a denial of service (crash) via a large L2 table     in a QCOW version 1 image (bsc#877642).

  - CVE-2014-3640: The sosendto function in slirp/udp.c     allowed local users to cause a denial of service (NULL     pointer dereference) by sending a udp packet with a     value of 0 in the source port and address, which     triggers access of an uninitialized socket (bsc#897654).

  - CVE-2014-3689: The vmware-vga driver     (hw/display/vmware_vga.c) allowed local guest users to     write to qemu memory locations and gain privileges via     unspecified parameters related to rectangle handling     (bsc#901508).

  - CVE-2014-7815: The set_pixel_format function in ui/vnc.c     allowed remote attackers to cause a denial of service     (crash) via a small bytes_per_pixel value (bsc#902737).

  - CVE-2014-9718: The (1) BMDMA and (2) AHCI HBA interfaces     in the IDE functionality had multiple interpretations of     a function's return value, which allowed guest OS users     to cause a host OS denial of service (memory consumption     or infinite loop, and system crash) via a PRDT with zero     complete sectors, related to the bmdma_prepare_buf and     ahci_dma_prepare_buf functions (bsc#928393).

  - CVE-2015-1779: The VNC websocket frame decoder allowed     remote attackers to cause a denial of service (memory     and CPU consumption) via a large (1) websocket payload     or (2) HTTP headers section (bsc#924018).

  - CVE-2015-5278: Infinite loop in ne2000_receive()     function (bsc#945989).

  - CVE-2015-6855: hw/ide/core.c did not properly restrict     the commands accepted by an ATAPI device, which allowed     guest users to cause a denial of service or possibly     have unspecified other impact via certain IDE commands,     as demonstrated by a WIN_READ_NATIVE_MAX command to an     empty drive, which triggers a divide-by-zero error and     instance crash (bsc#945404).

  - CVE-2015-7512: Buffer overflow in the pcnet_receive     function in hw/net/pcnet.c, when a guest NIC has a     larger MTU, allowed remote attackers to cause a denial     of service (guest OS crash) or execute arbitrary code     via a large packet (bsc#957162).

  - CVE-2015-7549: pci: NULL pointer dereference issue     (bsc#958917).

  - CVE-2015-8345: eepro100: infinite loop in processing     command block list (bsc#956829).

  - CVE-2015-8504: VNC: floating point exception     (bsc#958491).

  - CVE-2015-8550: Paravirtualized drivers were incautious     about shared memory contents (XSA-155) (bsc#957988).

  - CVE-2015-8554: qemu-dm buffer overrun in MSI-X handling     (XSA-164) (bsc#958007).

  - CVE-2015-8555: Information leak in legacy x86 FPU/XMM     initialization (XSA-165) (bsc#958009).

  - CVE-2015-8558: Infinite loop in ehci_advance_state     resulted in DoS (bsc#959005).

  - CVE-2015-8567: vmxnet3: host memory leakage     (bsc#959387).

  - CVE-2015-8568: vmxnet3: host memory leakage     (bsc#959387).

  - CVE-2015-8613: SCSI: stack-based buffer overflow in     megasas_ctrl_get_info (bsc#961358).

  - CVE-2015-8619: Stack based OOB write in hmp_sendkey     routine (bsc#960334).

  - CVE-2015-8743: ne2000: OOB memory access in ioport r/w     functions (bsc#960725).

  - CVE-2015-8744: vmxnet3: Incorrect l2 header validation     lead to a crash via assert(2) call (bsc#960835).

  - CVE-2015-8745: Reading IMR registers lead to a crash via     assert(2) call (bsc#960707).

  - CVE-2015-8817: OOB access in address_space_rw lead to     segmentation fault (I) (bsc#969121).

  - CVE-2015-8818: OOB access in address_space_rw lead to     segmentation fault (II) (bsc#969122).

  - CVE-2016-1568: AHCI use-after-free vulnerability in aio     port commands (bsc#961332).

  - CVE-2016-1570: The PV superpage functionality in     arch/x86/mm.c allowed local PV guests to obtain     sensitive information, cause a denial of service, gain     privileges, or have unspecified other impact via a     crafted page identifier (MFN) to the (1)     MMUEXT_MARK_SUPER or (2) MMUEXT_UNMARK_SUPER sub-op in     the HYPERVISOR_mmuext_op hypercall or (3) unknown     vectors related to page table updates (bsc#960861).

  - CVE-2016-1571: VMX: intercept issue with INVLPG on     non-canonical address (XSA-168) (bsc#960862).

  - CVE-2016-1714: nvram: OOB r/w access in processing     firmware configurations (bsc#961691).

  - CVE-2016-1922: NULL pointer dereference in vapic_write()     (bsc#962320).

  - CVE-2016-1981: e1000 infinite loop in start_xmit and     e1000_receive_iov routines (bsc#963782).

  - CVE-2016-2198: EHCI NULL pointer dereference in     ehci_caps_write (bsc#964413).

  - CVE-2016-2270: Xen allowed local guest administrators to     cause a denial of service (host reboot) via vectors     related to multiple mappings of MMIO pages with     different cachability settings (bsc#965315).

  - CVE-2016-2271: VMX when using an Intel or Cyrix CPU,     allowed local HVM guest users to cause a denial of     service (guest crash) via vectors related to a     non-canonical RIP (bsc#965317).

  - CVE-2016-2391: usb: multiple eof_timers in ohci module     lead to NULL pointer dereference (bsc#967013).

  - CVE-2016-2392: NULL pointer dereference in remote NDIS     control message handling (bsc#967012).

  - CVE-2016-2538: Integer overflow in remote NDIS control     message handling (bsc#967969).

  - CVE-2016-2841: ne2000: Infinite loop in ne2000_receive     (bsc#969350).

  - XSA-166: ioreq handling possibly susceptible to multiple     read issue (bsc#958523).

The update package also includes non-security fixes. See advisory for details.

Note that Tenable Network Security has extracted the preceding description block directly from the SUSE security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

- CVE-2016-3710：vga 中錯誤的邊界檢查 (bz #1334345)

- CVE-2016-3712：vga 中的超出邊界讀取 (bz #1334342)

- 修正 USB 重新導向 (bz #1330221)

- CVE-2016-4037：usb ehci 中的無限迴圈 (bz #1328080)

- CVE-2016-4001：stellaris 網路中的緩衝區溢位 (bz #1325885)

- CVE-2016-2858：rng 堆疊損毀 (bz #1314677)

- CVE-2016-2391：ohci：透過多個計時器造成當機 (bz #1308881)

- CVE-2016-2198：ehci：NULL 指標解除參照 (bz #1303134)

- 使用 ccache 修正 ./configure

請注意，Tenable Network Security 已直接從 Fedora 更新系統網站擷取前置描述區塊。
Tenable 已盡量在不造成其他問題的前提下，嘗試自動清理並將其格式化。

在快速處理器模擬器 QEMU 中發現數個弱點：CVE-2016-2391 Zuozhi Fzz 發現 USB OHCI 模擬支援中的 eof_times 可被利用，透過 NULL 指標解除參照導致拒絕服務。CVE-2016-2392 / CVE-2016-2538 Qinghao Tang 在 USB Net 裝置支援中發現一個 NULL 指標解除參照和多個整數溢位，可讓本機來賓作業系統管理員造成拒絕服務。這些問題與遠端 NDIS 控制訊息處理相關。CVE-2016-2841 Yang Hongke 報告在 NE2000 NIC 模擬支援中發生無限迴圈弱點。CVE-2016-2857 Liu Ling 在 QEMU IP 總和檢查碼常式中發現一個缺陷。攻擊者可利用此問題造成 QEMU 損毀。CVE-2016-2858 虛擬亂數產生器 (PRNG) 後端支援中發生任意堆疊型配置。CVE-2016-4001 / CVE-2016-4002 Oleksandr Bazhaniuk 報告在 Stellaris 和 MIPSnet 乙太網路控制器模擬中發生緩衝區溢位。遠端惡意使用者可利用這些問題導致 QEMU 損毀。CVE-2016-4020 Donghai Zdh 報告，QEMU 未正確處理 Task Priority Register (TPR) 的存取權，可讓本機來賓作業系統管理員從主機堆疊記憶體中取得敏感資訊。CVE-2016-4037 Du Shaobo 在 USB EHCI 模擬支援中發現無限迴圈弱點。CVE-2016-4439 / CVE-2016-4441 / CVE-2016-5238 / CVE-2016-5338 / CVE-2016-6351 Li Qiang 在 QEMU 53C9X Fast SCSI Controller (FSC) 模擬支援中發現不同的問題，可讓有權的本機來賓作業系統使用者導致拒絕服務，或可能執行任意程式碼。CVE-2016-4453 / CVE-2016-4454 Li Qiang 報告在 QEMU VMWare VGA 模組處理中發生問題，可被利用來造成 QEMU 損毀或取得主機敏感資訊。CVE-2016-4952 / CVE-2016-7421 / CVE-2016-7156 Li Qiang 報告，在 Vmware 半虛擬 SCSI 匯流排模擬支援中發生缺陷。這些問題涉及超出邊界存取權和無限迴圈，可讓有權的本機來賓作業系統使用者導致拒絕服務。CVE-2016-5105 / CVE-2016-5106 / CVE-2016-5107 / CVE-2016-5337 Li Qiang 在 MegaRAID SAS 8708EM2 主機匯流排介面卡模擬支援中發現數個問題。這些問題包括在讀取設定和超出邊界寫入和讀取時的堆疊資訊洩漏。CVE-2016-6834 Li Qiang 報告網路傳輸抽象層支援中的封包分割過程中，發生無限迴圈弱點。有權的本機來賓作業系統使用者可利用此缺陷導致拒絕服務。CVE-2016-6836 / CVE-2016-6888 Li Qiang 在 VMWare VMXNET3 網路卡模擬支援中發現與資訊洩漏和封包初始化中的整數溢位有關的問題。CVE-2016-7116 Felix Wilhel 在 Plan 9 檔案系統 (9pfs) 中發現目錄遊走缺陷，可遭有權的本機來賓作業系統使用者利用。CVE-2016-7155 Tom Victor 和 Li Qiang 報告，在 Vmware 半虛擬 SCSI 匯流排模擬支援中發生超出邊界讀取和無限迴圈。CVE-2016-7161 Hu Chaojian 報告，在 xlnx.xps-ethernetlite 模擬支援中，發生一個堆積溢位。有權的本機來賓作業系統使用者可利用此弱點造成 QEMU 損毀。CVE-2016-7170 Qinghao Tang 和 Li Qiang 報告，在 QEMU VMWare VGA 模組中發生一個缺陷，有權的本機來賓作業系統使用者可利用此缺陷，透過超出邊界堆疊記憶體存取來導致 QEMU 損毀。CVE-2016-7908 / CVE-2016-7909 Li Qiang 報告，在 ColdFire 快速乙太網路控制器和 AMD PC-Net II (Am79C970A) 模擬中發生無限迴圈弱點。這些缺陷可讓本機來賓作業系統管理員導致拒絕服務。CVE-2016-8909 Huawei PSIRT 在 Intel HDA 模擬支援中找到與 DMA 緩衝區串流處理相關的無限迴圈弱點。有權的本機來賓作業系統使用者可利用此弱點造成拒絕服務。CVE-2016-8910 Andrew Henderson 報告，在 RTL8139 乙太網路控制器模擬支援中發生無限迴圈。本機來賓作業系統內有權的使用者可利用此弱點造成拒絕服務。CVE-2016-9101 Li Qiang 報告，在 i8255x (PRO100) 乙太網路控制器模擬支援中發生記憶體洩漏。CVE-2016-9102 / CVE-2016-9103 / CVE-2016-9104 / CVE-2016-9105 / CVE-2016-9106 / CVE-2016-8577 / CVE-2016-8578 Li Qiang 報告多個 Plan 9 檔案系統 (9pfs) 安全性問題，包含主機記憶體洩漏和拒絕服務。CVE-2017-10664 qemu-nbd (QEMU Disk Network Block Device) 伺服器中發生拒絕服務。CVE-2018-10839 / CVE-2018-17962 / CVE-2018-17963 Daniel Shapira 報告，QEMU 模擬的乙太網路網控制器中的封包處理發生數個整數溢位。這些問題可導致拒絕服務。針對 Debian 8「Jessie」，這些問題已在 1:2.1+dfsg-12+deb8u8 版本中修正。建議您升級 qemu 套件。注意：Tenable Network Security 已直接從 DLA 安全性公告擷取前置描述區塊。Tenable 已盡量在不造成其他問題的前提下，嘗試自動清理並將其格式化。

Xen 已更新，可修正 44 個安全性問題。

已修正這些安全性問題：

- CVE-2013-4533：hw/arm/pxa2xx.c 中的 pxa2xx_ssp_load 函式有一個緩衝區溢位問題，會允許遠端攻擊者透過 savevm 影像中的特製 s->rx_level 值造成拒絕服務，或可能執行任意程式碼 (bsc#864655)。

- CVE-2013-4534：hw/intc/openpic.c 中存在一個緩衝區溢位問題，會允許遠端攻擊者透過與 IRQDest 元素相關的向量造成拒絕服務，或可能執行任意程式碼 (bsc#864811)。

- CVE-2013-4537：hw/sd/ssi-sd.c 中的 ssi_sd_transfer 函式允許遠端攻擊者透過 savevm 影像中特製的 arglen 值執行任意程式碼 (bsc#864391)。

- CVE-2013-4538：hw/display/ssd0323.c 的 ssd0323_load 函式中存在多個緩衝區溢位問題，允許遠端攻擊者透過 savevm 影像中特製的 (1) cmd_len、(2) row 或 (3) col 值；(4) row_start 與 row_end 值；或 (5) col_star 與 col_end 值造成拒絕服務 (記憶體損毀) 或可能執行任意程式碼 (bsc#864769)。

- CVE-2013-4539：hw/input/tsc210x.c 的 tsc210x_load 函式中存在多個緩衝區溢位問題，可能允許遠端攻擊者透過 savevm 影像中特製的 (1) precision、(2) nextprecision、(3) function 或 (4) nextfunction 值，執行任意程式碼 (bsc#864805)。

- CVE-2014-0222：block/qcow.c 中的 qcow_open 函式存在一個整數溢位問題，允許遠端攻擊者透過 QCOW 版本 1 影像中的大型 L2 表格，造成拒絕服務 (當機) (bsc#877642)。

- CVE-2014-3640：slirp/udp.c 中的 sosendto 函式允許本機使用者透過傳送來源連接埠與位址的值為 0 的 udp 封包 (可觸發存取未初始化的通訊端)，造成拒絕服務 (NULL 指標解除參照) (bsc#897654)。

- CVE-2014-3689：vmware-vga 驅動程式 (hw/display/vmware_vga.c) 允許本機來賓使用者透過與矩形處理相關的不明參數，寫入 qemu 記憶體位置，並取得權限 (bsc#901508)。

- CVE-2014-7815：ui/vnc.c 中的 set_pixel_format 函式允許遠端攻擊者透過小的 bytes_per_pixel 值造成拒絕服務 (當機) (bsc#902737)。

- CVE-2014-9718：IDE 功能中的 (1) BMDMA 和 (2) AHCI HBA 介面對一個函式的傳回值提供多個解譯，其可允許來賓作業系統使用者透過含有零完成磁區的 PRDT (和 bmdma_prepare_buf 與 ahci_dma_prepare_buf 函式有關)，造成主機作業系統拒絕服務 (記憶體消耗或無限迴圈，以及系統當機) (bsc#928393)。

- CVE-2015-1779：VNC websocket 框架解碼器會允許遠端攻擊者透過大型 (1) websocket 承載或 (2) HTTP 標頭區段造成拒絕服務 (記憶體與 CPU 消耗) (bsc#924018)。

- CVE-2015-5278：ne2000_receive() 函式中的無限迴圈問題 (bsc#945989)。

- CVE-2015-6855：hw/ide/core.c 未正確限制 ATAPI 裝置接受的命令，其可允許來賓使用者透過特定 IDE 命令造成拒絕服務，或可能造成其他不明影響；空白磁碟機的 WIN_READ_NATIVE_MAX 命令觸發除以零錯誤和執行個體損毀即為一例 (bsc#945404)。

- CVE-2015-7512：hw/net/pcnet.c 的 pcnet_receive 函式中存在一個緩衝區溢位問題，當來賓 NIC 擁有較大的 MTU 時，允許遠端攻擊者透過大型封包造成拒絕服務 (來賓作業系統當機) 或執行任意程式碼 (bsc#957162)。

- CVE-2015-7549：pci：NULL 指標解除參照問題 (bsc#958917)。

- CVE-2015-8345：eepro100：處理命令區塊清單中的無限迴圈 (bsc#956829)。

- CVE-2015-8504：VNC：浮點例外狀況 (bsc#958491)。

- CVE-2015-8550：半虛擬化驅動程式輕率處理共用記憶體內容 (XSA-155) (bsc#957988)。

- CVE-2015-8554：MSI-X 處理中的 qemu-dm 緩衝區滿溢問題 (XSA-164) (bsc#958007)。

- CVE-2015-8555：舊 x86 FPU/XMM 初始化中的資訊洩漏問題 (XSA-165) (bsc#958009)。

- CVE-2015-8558：ehci_advance_state 中的無限迴圈導致 DoS (bsc#959005)。

- CVE-2015-8567：vmxnet3：主機記憶體洩漏 (bsc#959387)。

- CVE-2015-8568：vmxnet3：主機記憶體洩漏 (bsc#959387)。

- CVE-2015-8613：SCSI：megasas_ctrl_get_info 中的堆疊型緩衝區溢位 (bsc#961358)。

- CVE-2015-8619：hmp_sendkey 常式中的堆疊型 OOB 寫入 (bsc#960334)。

- CVE-2015-8743：ne2000：ioport 讀取/寫入函式中的 OOB 記憶體存取問題 (bsc#960725)。

- CVE-2015-8744：vmxnet3：透過 assert(2) 呼叫錯誤執行的 l2 標頭驗證會導致當機 (bsc#960835)。

- CVE-2015-8745：透過 assert(2) 呼叫讀取 IMR 暫存器導致當機 (bsc#960707)。

- CVE-2015-8817：address_space_rw 中的 OOB 存取導致分割錯誤 (I) (bsc#969121)。

- CVE-2015-8818：address_space_rw 中的 OOB 存取導致分割錯誤 (II) (bsc#969122)。

- CVE-2016-1568：aio 連接埠命令中的 AHCI 釋放後使用弱點 (bsc#961332)。

- CVE-2016-1570：arch/x86/mm.c 中的 PV 超級頁面功能允許本機 PV 來賓透過與頁面表格更新相關之 (1) MMUEXT_MARK_SUPER 或 (2) HYPERVISOR_mmuext_op hypercall 中的 MMUEXT_UNMARK_SUPER sub-op 或 (3) 未知向量的特製頁面識別碼 (MFN)，取得敏感資訊、造成拒絕服務、取得權限，或造成其他不明影響 (bsc#960861)。

- CVE-2016-1571：VMX：非正式位址上 INVLPG 的攔截問題 (XSA-168) (bsc#960862)。

- CVE-2016-1714：nvram：處理韌體組態中的 OOB 讀取/寫入存取問題 (bsc#961691)。

- CVE-2016-1922：vapic_write() 中的 NULL 指標解除參照 (bsc#962320)。

- CVE-2016-1981：start_xmit 與 e1000_receive_iov 常式中的 e1000 無限迴圈問題 (bsc#963782)。

- CVE-2016-2198：ehci_caps_write 中的 EHCI NULL 指標解除參照 (bsc#964413)。

- CVE-2016-2270：Xen 允許本機來賓系統管理員透過與具有不同快取功能設定之 MMIO 頁面的多個對應相關的向量，造成拒絕服務 (主機重新開機) (bsc#965315)。

- CVE-2016-2271：使用 Intel 或 Cyrix CPU 時，VMX 允許本機 HVM 來賓使用者透過與非正式 RIP 相關的向量造成拒絕服務 (來賓當機) (bsc#965317)。

- CVE-2016-2391：usb：ohci 模組中的多個 eof_timers 導致 NULL 指標解除參照 (bsc#967013)。

- CVE-2016-2392：遠端 NDIS 控制訊息處理中的 NULL 指標解除參照 (bsc#967012)。

- CVE-2016-2538：遠端 NDIS 控制訊息處理中的整數溢位 (bsc#967969)。

- CVE-2016-2841：ne2000：ne2000_receive 中的無限迴圈問題 (bsc#969350)。

- XSA-166：: ioreq 處理可能容易受到多個讀取問題攻擊 (bsc#958523)。

已修正下列非安全性錯誤：

- bsc#954872：指令碼 block-dmmd 未如預期運作

- bsc#957698：DOM0 無法在 Dell PC 上開啟顯示

- bsc#963923：減少 sched-credit tslice 時，不接受網域權重

- bsc#959332：還原或移轉時無法存取 SLES12SP1 PV 來賓

- bsc#959695：缺少 xen 的文件

請注意，Tenable Network Security 已直接從 SUSE 安全性公告擷取前置描述區塊。Tenable 已盡量在不造成其他問題的前提下，嘗試自動清理並將其格式化。

Xen 已更新，可修正 46 個安全性問題。

已修正這些安全性問題：

- CVE-2013-4527：hw/timer/hpet.c 中的緩衝區溢位可能允許遠端攻擊者，透過和計時器數目有關的向量執行任意程式碼 (bsc#964746).

- CVE-2013-4529：hw/pci/pcie_aer.c 中存在一個緩衝區溢位問題，會允許遠端攻擊者透過 savevm 影像中的大型 log_num 值造成拒絕服務，且可能執行任意程式碼 (bsc#964929)。

- CVE-2013-4530：hw/ssi/pl022.c 中存在一個緩衝區溢位問題，會允許遠端攻擊者透過 savevm 影像中特製的 tx_fifo_head 和 rx_fifo_head 值造成拒絕服務，或可能執行任意程式碼 (bsc#964950)。

- CVE-2013-4533：hw/arm/pxa2xx.c 中的 pxa2xx_ssp_load 函式存在一個緩衝區溢位問題，會允許遠端攻擊者透過 savevm 影像中的特製 s->rx_level 值造成拒絕服務，或可能執行任意程式碼 (bsc#964644)。

- CVE-2013-4534：hw/intc/openpic.c 中存在一個緩衝區溢位問題，會允許遠端攻擊者透過與 IRQDest 元素相關的向量造成拒絕服務，或可能執行任意程式碼 (bsc#964452)。

- CVE-2013-4537：hw/sd/ssi-sd.c 中的 ssi_sd_transfer 函式允許遠端攻擊者透過 savevm 影像中特製的 arglen 值執行任意程式碼 (bsc#962642)。

- CVE-2013-4538：hw/display/ssd0323.c 的 ssd0323_load 函式中存在多個緩衝區溢位問題，允許遠端攻擊者透過 savevm 影像中特製的 (1) cmd_len、(2) row 或 (3) col 值；(4) row_start 與 row_end 值；或 (5) col_star 與 col_end 值造成拒絕服務 (記憶體損毀) 或可能執行任意程式碼 (bsc#962335)。

- CVE-2013-4539：hw/input/tsc210x.c 的 tsc210x_load 函式中存在多個緩衝區溢位問題，可能允許遠端攻擊者透過 savevm 影像中特製的 (1) precision、(2) nextprecision、(3) function 或 (4) nextfunction 值，執行任意程式碼 (bsc#962758)。

- CVE-2014-0222：block/qcow.c 中的 qcow_open 函式存在一個整數溢位問題，允許遠端攻擊者透過 QCOW 版本 1 影像中的大型 L2 表格，引發拒絕服務 (當機) (bsc#964925)。

- CVE-2014-3640：slirp/udp.c 中的 sosendto 函式允許本機使用者透過傳送來源連接埠與位址的值為 0 的 udp 封包 (可觸發存取未初始化的通訊端)，造成拒絕服務 (NULL 指標解除參照) (bsc#965112)。

- CVE-2014-3689：vmware-vga 驅動程式 (hw/display/vmware_vga.c) 允許本機來賓使用者透過與矩形處理相關的不明參數，寫入 qemu 記憶體位置，並取得權限 (bsc#962611)。

- CVE-2014-7815：ui/vnc.c 中的 set_pixel_format 函式允許遠端攻擊者透過小的 bytes_per_pixel 值造成拒絕服務 (當機) (bsc#962627)。

- CVE-2014-9718：IDE 功能中的 (1) BMDMA 和 (2) AHCI HBA 介面對一個函式的傳回值提供多個解譯，其可允許來賓作業系統使用者透過含有零完成磁區的 PRDT (和 bmdma_prepare_buf 與 ahci_dma_prepare_buf 函式有關)，造成主機作業系統拒絕服務 (記憶體消耗或無限迴圈，以及系統當機) (bsc#964431)。

- CVE-2015-1779：VNC websocket 框架解碼器會允許遠端攻擊者透過大型 (1) websocket 承載或 (2) HTTP 標頭區段造成拒絕服務 (記憶體與 CPU 消耗) (bsc#962632)。

- CVE-2015-5278：ne2000_receive() 函式中的無限迴圈問題 (bsc#964947)。

- CVE-2015-6855：hw/ide/core.c 未正確限制 ATAPI 裝置接受的命令，其可允許來賓使用者透過特定 IDE 命令造成拒絕服務，或可能造成其他不明影響；空白磁碟機的 WIN_READ_NATIVE_MAX 命令觸發除以零錯誤和執行個體損毀即為一例 (bsc#965156)。

- CVE-2015-7512：hw/net/pcnet.c 的 pcnet_receive 函式中存在一個緩衝區溢位問題，當來賓 NIC 擁有較大的 MTU 時，允許遠端攻擊者透過大型封包造成拒絕服務 (來賓作業系統當機) 或執行任意程式碼 (bsc#962360)。

- CVE-2015-7549：pci：NULL 指標解除參照問題 (bsc#958918)。

- CVE-2015-8345：eepro100：處理命令區塊清單中的無限迴圈 (bsc#956832)。

- CVE-2015-8504：VNC：浮點例外狀況 (bsc#958493)。

- CVE-2015-8550：半虛擬化驅動程式輕率處理共用記憶體內容 (XSA-155) (bsc#957988)。

- CVE-2015-8554：MSI-X 處理中的 qemu-dm 緩衝區滿溢問題 (XSA-164) (bsc#958007)。

- CVE-2015-8555：舊 x86 FPU/XMM 初始化中的資訊洩漏問題 (XSA-165) (bsc#958009)。

- CVE-2015-8558：ehci_advance_state 中的無限迴圈導致 DoS (bsc#959006)。

- CVE-2015-8567：vmxnet3：主機記憶體洩漏 (bsc#959387)。

- CVE-2015-8568：vmxnet3：主機記憶體洩漏 (bsc#959387)。

- CVE-2015-8613：SCSI：megasas_ctrl_get_info 中的堆疊型緩衝區溢位 (bsc#961358)。

- CVE-2015-8619：hmp_sendkey 常式中的堆疊型 OOB 寫入 (bsc#965269)。

- CVE-2015-8743：ne2000：ioport 讀取/寫入函式中的 OOB 記憶體存取問題 (bsc#960726)。

- CVE-2015-8744：vmxnet3：透過 assert(2) 呼叫錯誤執行的 l2 標頭驗證會導致當機 (bsc#960836)。

- CVE-2015-8745：透過 assert(2) 呼叫讀取 IMR 暫存器導致當機 (bsc#960707)。

- CVE-2015-8817：address_space_rw 中的 OOB 存取導致分割錯誤 (I) (bsc#969125)。

- CVE-2015-8818：address_space_rw 中的 OOB 存取導致分割錯誤 (II) (bsc#969126)。

- CVE-2016-1568：aio 連接埠命令中的 AHCI 釋放後使用弱點 (bsc#961332)。

- CVE-2016-1570：arch/x86/mm.c 中的 PV 超級頁面功能允許本機 PV 來賓透過與頁面表格更新相關之 (1) MMUEXT_MARK_SUPER 或 (2) HYPERVISOR_mmuext_op hypercall 中的 MMUEXT_UNMARK_SUPER sub-op 或 (3) 未知向量的特製頁面識別碼 (MFN)，取得敏感資訊、造成拒絕服務、取得權限，或造成其他不明影響 (bsc#960861)。

- CVE-2016-1571：VMX：非正式位址上 INVLPG 的攔截問題 (XSA-168) (bsc#960862)。

- CVE-2016-1714：nvram：處理韌體組態中的 OOB 讀取/寫入存取問題 (bsc#961692)。

- CVE-2016-1922：vapic_write() 中的 NULL 指標解除參照 (bsc#962321)。

- CVE-2016-1981：start_xmit 與 e1000_receive_iov 常式中的 e1000 無限迴圈問題 (bsc#963783)。

- CVE-2016-2198：ehci_caps_write 中的 EHCI NULL 指標解除參照 (bsc#964415)。

- CVE-2016-2270：Xen 允許本機來賓系統管理員透過與具有不同快取功能設定之 MMIO 頁面的多個對應相關的向量，造成拒絕服務 (主機重新開機) (bsc#965315)。

- CVE-2016-2271：使用 Intel 或 Cyrix CPU 時，VMX 允許本機 HVM 來賓使用者透過與非正式 RIP 相關的向量造成拒絕服務 (來賓當機) (bsc#965317)。

- CVE-2016-2391：usb：ohci 模組中的多個 eof_timers 導致 NULL 指標解除參照 (bsc#967101)。

- CVE-2016-2392：遠端 NDIS 控制訊息處理中的 NULL 指標解除參照 (bsc#967090)。

- CVE-2016-2538：遠端 NDIS 控制訊息處理中的整數溢位 (bsc#968004)。

- XSA-166：: ioreq 處理可能容易受到多個讀取問題攻擊 (bsc#958523)。

已修正下列非安全性錯誤：

- bsc#954872：指令碼 block-dmmd 未如預期運作

- bsc#963923：減少 sched-credit tslice 時，不接受網域權重

- bsc#959695：缺少 xen 的文件

請注意，Tenable Network Security 已直接從 SUSE 安全性公告擷取前置描述區塊。Tenable 已盡量在不造成其他問題的前提下，嘗試自動清理並將其格式化。

Several vulnerabilities were found in QEMU, a fast processor emulator :

CVE-2016-2391

Zuozhi Fzz discovered that eof_times in USB OHCI emulation support could be used to cause a denial of service, via a NULL pointer dereference.

CVE-2016-2392 / CVE-2016-2538

Qinghao Tang found a NULL pointer dereference and multiple integer overflows in the USB Net device support that could allow local guest OS administrators to cause a denial of service. These issues related to remote NDIS control message handling.

CVE-2016-2841

Yang Hongke reported an infinite loop vulnerability in the NE2000 NIC emulation support.

CVE-2016-2857

Liu Ling found a flaw in QEMU IP checksum routines. Attackers could take advantage of this issue to cause QEMU to crash.

CVE-2016-2858

Arbitrary stack based allocation in the Pseudo Random Number Generator (PRNG) back-end support.

CVE-2016-4001 / CVE-2016-4002

Oleksandr Bazhaniuk reported buffer overflows in the Stellaris and the MIPSnet ethernet controllers emulation. Remote malicious users could use these issues to cause QEMU to crash.

CVE-2016-4020

Donghai Zdh reported that QEMU incorrectly handled the access to the Task Priority Register (TPR), allowing local guest OS administrators to obtain sensitive information from host stack memory.

CVE-2016-4037

Du Shaobo found an infinite loop vulnerability in the USB EHCI emulation support.

CVE-2016-4439 / CVE-2016-4441 / CVE-2016-5238 / CVE-2016-5338 / CVE-2016-6351

Li Qiang found different issues in the QEMU 53C9X Fast SCSI Controller (FSC) emulation support, that made it possible for local guest OS privileged users to cause denials of service or potentially execute arbitrary code.

CVE-2016-4453 / CVE-2016-4454

Li Qiang reported issues in the QEMU VMWare VGA module handling, that may be used to cause QEMU to crash, or to obtain host sensitive information.

CVE-2016-4952 / CVE-2016-7421 / CVE-2016-7156

Li Qiang reported flaws in the VMware paravirtual SCSI bus emulation support. These issues concern an out-of-bounds access and infinite loops, that allowed local guest OS privileged users to cause a denial of service.

CVE-2016-5105 / CVE-2016-5106 / CVE-2016-5107 / CVE-2016-5337

Li Qiang discovered several issues in the MegaRAID SAS 8708EM2 Host Bus Adapter emulation support. These issues include stack information leakage while reading configuration and out-of-bounds write and read.

CVE-2016-6834

Li Qiang reported an infinite loop vulnerability during packet fragmentation in the network transport abstraction layer support.
Local guest OS privileged users could made use of this flaw to cause a denial of service.

CVE-2016-6836 / CVE-2016-6888

Li Qiang found issues in the VMWare VMXNET3 network card emulation support, relating to information leak and integer overflow in packet initialisation.

CVE-2016-7116

Felix Wilhel discovered a directory traversal flaw in the Plan 9 File System (9pfs), exploitable by local guest OS privileged users.

CVE-2016-7155

Tom Victor and Li Qiang reported an out-of-bounds read and an infinite loop in the VMware paravirtual SCSI bus emulation support.

CVE-2016-7161

Hu Chaojian reported a heap overflow in the xlnx.xps-ethernetlite emulation support. Privileged users in local guest OS could made use of this to cause QEMU to crash.

CVE-2016-7170

Qinghao Tang and Li Qiang reported a flaw in the QEMU VMWare VGA module, that could be used by privileged user in local guest OS to cause QEMU to crash via an out-of-bounds stack memory access.

CVE-2016-7908 / CVE-2016-7909

Li Qiang reported infinite loop vulnerabilities in the ColdFire Fast Ethernet Controller and the AMD PC-Net II (Am79C970A) emulations.
These flaws allowed local guest OS administrators to cause a denial of service.

CVE-2016-8909

Huawei PSIRT found an infinite loop vulnerability in the Intel HDA emulation support, relating to DMA buffer stream processing.
Privileged users in local guest OS could made use of this to cause a denial of service.

CVE-2016-8910

Andrew Henderson reported an infinite loop in the RTL8139 ethernet controller emulation support. Privileged users inside a local guest OS could made use of this to cause a denial of service.

CVE-2016-9101

Li Qiang reported a memory leakage in the i8255x (PRO100) ethernet controller emulation support.

CVE-2016-9102 / CVE-2016-9103 / CVE-2016-9104 / CVE-2016-9105 / CVE-2016-9106 / CVE-2016-8577 / CVE-2016-8578

Li Qiang reported various Plan 9 File System (9pfs) security issues, including host memory leakage and denial of service.

CVE-2017-10664

Denial of service in the qemu-nbd (QEMU Disk Network Block Device) Server.

CVE-2018-10839 / CVE-2018-17962 / CVE-2018-17963

Daniel Shapira reported several integer overflows in the packet handling in ethernet controllers emulated by QEMU. These issues could lead to denial of service.

For Debian 8 'Jessie', these problems have been fixed in version 1:2.1+dfsg-12+deb8u8.

We recommend that you upgrade your qemu packages.

NOTE: Tenable Network Security has extracted the preceding description block directly from the DLA security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

According to the versions of the qemu-kvm packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities :

  - In libslirp 4.1.0, as used in QEMU 4.2.0, tcp_subr.c     misuses snprintf return values, leading to a buffer     overflow in later code.(CVE-2020-8608)

  - This vulnerability has been modified since it was last     analyzed by the NVD. It is awaiting reanalysis which     may result in further changes to the information     provided.(CVE-2019-11135)

  - tcp_emu in tcp_subr.c in libslirp 4.1.0, as used in     QEMU 4.2.0, mismanages memory, as demonstrated by IRC     DCC commands in EMU_IRC. This can cause a heap-based     buffer overflow or other out-of-bounds access which can     lead to a DoS or potential execute arbitrary     code.(CVE-2020-7039)

  - ip_reass in ip_input.c in libslirp 4.0.0 has a     heap-based buffer overflow via a large packet because     it mishandles a case involving the first     fragment.(CVE-2019-14378)

  - Integer overflow in the VNC display driver in QEMU     before 2.1.0 allows attachers to cause a denial of     service (process crash) via a CLIENT_CUT_TEXT message,     which triggers an infinite loop.(CVE-2015-5239)

  - Buffer overflow in the send_control_msg function in     hw/char/virtio-serial-bus.c in QEMU before 2.4.0 allows     guest users to cause a denial of service (QEMU process     crash) via a crafted virtio control     message.(CVE-2015-5745)

  - The ne2000_receive function in hw/net/ne2000.c in QEMU     before 2.4.0.1 allows attackers to cause a denial of     service (infinite loop and instance crash) or possibly     execute arbitrary code via vectors related to receiving     packets.(CVE-2015-5278)

  - The process_tx_desc function in hw/net/e1000.c in QEMU     before 2.4.0.1 does not properly process transmit     descriptor data when sending a network packet, which     allows attackers to cause a denial of service (infinite     loop and guest crash) via unspecified     vectors.(CVE-2015-6815)

  - Heap-based buffer overflow in the ne2000_receive     function in hw/net/ne2000.c in QEMU before 2.4.0.1     allows guest OS users to cause a denial of service     (instance crash) or possibly execute arbitrary code via     vectors related to receiving packets.(CVE-2015-5279)

  - Heap-based buffer overflow in the .receive callback of     xlnx.xps-ethernetlite in QEMU (aka Quick Emulator)     allows attackers to execute arbitrary code on the QEMU     host via a large ethlite packet.(CVE-2016-7161)

  - hw/net/vmxnet3.c in QEMU 2.0.0-rc0, 1.7.1, and earlier     allows local guest users to cause a denial of service     or possibly execute arbitrary code via vectors related     to (1) RX or (2) TX queue numbers or (3) interrupt     indices. NOTE: some of these details are obtained from     third party information.(CVE-2013-4544)

  - The slirp_smb function in net/slirp.c in QEMU 2.3.0 and     earlier creates temporary files with predictable names,     which allows local users to cause a denial of service     (instantiation failure) by creating /tmp/qemu-smb.*-*     files before the program.(CVE-2015-4037)

  - hw/ide/core.c in QEMU does not properly restrict the     commands accepted by an ATAPI device, which allows     guest users to cause a denial of service or possibly     have unspecified other impact via certain IDE commands,     as demonstrated by a WIN_READ_NATIVE_MAX command to an     empty drive, which triggers a divide-by-zero error and     instance crash.(CVE-2015-6855)

  - hw/virtio/virtio.c in the Virtual Network Device     (virtio-net) support in QEMU, when big or mergeable     receive buffers are not supported, allows remote     attackers to cause a denial of service (guest network     consumption) via a flood of jumbo frames on the (1)     tuntap or (2) macvtap interface.(CVE-2015-7295)

  - The MSI-X MMIO support in hw/pci/msix.c in QEMU (aka     Quick Emulator) allows local guest OS privileged users     to cause a denial of service (NULL pointer dereference     and QEMU process crash) by leveraging failure to define     the .write method.(CVE-2015-7549)

  - The eepro100 emulator in QEMU qemu-kvm blank allows     local guest users to cause a denial of service     (application crash and infinite loop) via vectors     involving the command block list.(CVE-2015-8345)

  - Qemu, when built with VNC display driver support,     allows remote attackers to cause a denial of service     (arithmetic exception and application crash) via     crafted SetPixelFormat messages from a     client.(CVE-2015-8504)

  - The ehci_process_itd function in hw/usb/hcd-ehci.c in     QEMU allows local guest OS administrators to cause a     denial of service (infinite loop and CPU consumption)     via a circular isochronous transfer descriptor (iTD)     list.(CVE-2015-8558)

  - Memory leak in net/vmxnet3.c in QEMU allows remote     attackers to cause a denial of service (memory     consumption).(CVE-2015-8567)

  - Memory leak in QEMU, when built with a VMWARE VMXNET3     paravirtual NIC emulator support, allows local guest     users to cause a denial of service (host memory     consumption) by trying to activate the vmxnet3 device     repeatedly.(CVE-2015-8568)

  - Stack-based buffer overflow in the     megasas_ctrl_get_info function in QEMU, when built with     SCSI MegaRAID SAS HBA emulation support, allows local     guest users to cause a denial of service (QEMU instance     crash) via a crafted SCSI controller CTRL_GET_INFO     command.(CVE-2015-8613)

  - Use-after-free vulnerability in hw/ide/ahci.c in QEMU,     when built with IDE AHCI Emulation support, allows     guest OS users to cause a denial of service (instance     crash) or possibly execute arbitrary code via an     invalid AHCI Native Command Queuing (NCQ) AIO     command.(CVE-2016-1568)

  - QEMU (aka Quick Emulator) built with the USB EHCI     emulation support is vulnerable to a null pointer     dereference flaw. It could occur when an application     attempts to write to EHCI capabilities registers. A     privileged user inside quest could use this flaw to     crash the QEMU process instance resulting in     DoS.(CVE-2016-2198)

  - The ohci_bus_start function in the USB OHCI emulation     support (hw/usb/hcd-ohci.c) in QEMU allows local guest     OS administrators to cause a denial of service (NULL     pointer dereference and QEMU process crash) via vectors     related to multiple eof_timers.(CVE-2016-2391)

  - The is_rndis function in the USB Net device emulator     (hw/usb/dev-network.c) in QEMU before 2.5.1 does not     properly validate USB configuration descriptor objects,     which allows local guest OS administrators to cause a     denial of service (NULL pointer dereference and QEMU     process crash) via vectors involving a remote NDIS     control message packet.(CVE-2016-2392)

  - Multiple integer overflows in the USB Net device     emulator (hw/usb/dev-network.c) in QEMU before 2.5.1     allow local guest OS administrators to cause a denial     of service (QEMU process crash) or obtain sensitive     host memory information via a remote NDIS control     message packet that is mishandled in the (1)     rndis_query_response, (2) rndis_set_response, or (3)     usb_net_handle_dataout function.(CVE-2016-2538)

  - The ne2000_receive function in the NE2000 NIC emulation     support (hw/net/ne2000.c) in QEMU before 2.5.1 allows     local guest OS administrators to cause a denial of     service (infinite loop and QEMU process crash) via     crafted values for the PSTART and PSTOP registers,     involving ring buffer control.(CVE-2016-2841)

  - QEMU, when built with the Pseudo Random Number     Generator (PRNG) back-end support, allows local guest     OS users to cause a denial of service (process crash)     via an entropy request, which triggers arbitrary stack     based allocation and memory corruption.(CVE-2016-2858)

  - Buffer overflow in the stellaris_enet_receive function     in hw/net/stellaris_enet.c in QEMU, when the Stellaris     ethernet controller is configured to accept large     packets, allows remote attackers to cause a denial of     service (QEMU crash) via a large packet.(CVE-2016-4001)

  - Buffer overflow in the mipsnet_receive function in     hw/net/mipsnet.c in QEMU, when the guest NIC is     configured to accept large packets, allows remote     attackers to cause a denial of service (memory     corruption and QEMU crash) or possibly execute     arbitrary code via a packet larger than 1514     bytes.(CVE-2016-4002)

  - The ehci_advance_state function in hw/usb/hcd-ehci.c in     QEMU allows local guest OS administrators to cause a     denial of service (infinite loop and CPU consumption)     via a circular split isochronous transfer descriptor     (siTD) list, a related issue to     CVE-2015-8558.(CVE-2016-4037)

  - The vmsvga_fifo_run function in hw/display/vmware_vga.c     in QEMU allows local guest OS administrators to cause a     denial of service (infinite loop and QEMU process     crash) via a VGA command.(CVE-2016-4453)

  - The vmsvga_fifo_read_raw function in     hw/display/vmware_vga.c in QEMU allows local guest OS     administrators to obtain sensitive host memory     information or cause a denial of service (QEMU process     crash) by changing FIFO registers and issuing a VGA     command, which triggers an out-of-bounds     read.(CVE-2016-4454)

  - The net_tx_pkt_do_sw_fragmentation function in     hw/net/net_tx_pkt.c in QEMU (aka Quick Emulator) allows     local guest OS administrators to cause a denial of     service (infinite loop and QEMU process crash) via a     zero length for the current fragment     length.(CVE-2016-6834)

  - The vmxnet_tx_pkt_parse_headers function in     hw/net/vmxnet_tx_pkt.c in QEMU (aka Quick Emulator)     allows local guest OS administrators to cause a denial     of service (buffer over-read) by leveraging failure to     check IP header length.(CVE-2016-6835)

  - The vmxnet3_complete_packet function in     hw/net/vmxnet3.c in QEMU (aka Quick Emulator) allows     local guest OS administrators to obtain sensitive host     memory information by leveraging failure to initialize     the txcq_descr object.(CVE-2016-6836)

  - Integer overflow in the net_tx_pkt_init function in     hw/net/net_tx_pkt.c in QEMU (aka Quick Emulator) allows     local guest OS administrators to cause a denial of     service (QEMU process crash) via the maximum     fragmentation count, which triggers an unchecked     multiplication and NULL pointer     dereference.(CVE-2016-6888)

  - Directory traversal vulnerability in hw/9pfs/9p.c in     QEMU (aka Quick Emulator) allows local guest OS     administrators to access host files outside the export     path via a .. (dot dot) in an unspecified     string.(CVE-2016-7116)

  - The pvscsi_ring_pop_req_descr function in     hw/scsi/vmw_pvscsi.c in QEMU (aka Quick Emulator)     allows local guest OS administrators to cause a denial     of service (infinite loop and QEMU process crash) by     leveraging failure to limit process IO loop to the ring     size.(CVE-2016-7421)

  - The mcf_fec_do_tx function in hw/net/mcf_fec.c in QEMU     (aka Quick Emulator) does not properly limit the buffer     descriptor count when transmitting packets, which     allows local guest OS administrators to cause a denial     of service (infinite loop and QEMU process crash) via     vectors involving a buffer descriptor with a length of     0 and crafted values in bd.flags.(CVE-2016-7908)

  - The pcnet_rdra_addr function in hw/net/pcnet.c in QEMU     (aka Quick Emulator) allows local guest OS     administrators to cause a denial of service (infinite     loop and QEMU process crash) by setting the (1) receive     or (2) transmit descriptor ring length to     0.(CVE-2016-7909)

  - The xhci_ring_fetch function in hw/usb/hcd-xhci.c in     QEMU (aka Quick Emulator) allows local guest OS     administrators to cause a denial of service (infinite     loop and QEMU process crash) by leveraging failure to     limit the number of link Transfer Request Blocks (TRB)     to process.(CVE-2016-8576)

  - The serial_update_parameters function in     hw/char/serial.c in QEMU (aka Quick Emulator) allows     local guest OS administrators to cause a denial of     service (divide-by-zero error and QEMU process crash)     via vectors involving a value of divider greater than     baud base.(CVE-2016-8669)

  - The intel_hda_xfer function in hw/audio/intel-hda.c in     QEMU (aka Quick Emulator) allows local guest OS     administrators to cause a denial of service (infinite     loop and CPU consumption) via an entry with the same     value for buffer length and pointer     position.(CVE-2016-8909)

  - The rtl8139_cplus_transmit function in hw/net/rtl8139.c     in QEMU (aka Quick Emulator) allows local guest OS     administrators to cause a denial of service (infinite     loop and CPU consumption) by leveraging failure to     limit the ring descriptor count.(CVE-2016-8910)

  - Memory leak in the v9fs_xattrcreate function in     hw/9pfs/9p.c in QEMU (aka Quick Emulator) allows local     guest OS administrators to cause a denial of service     (memory consumption and QEMU process crash) via a large     number of Txattrcreate messages with the same fid     number.(CVE-2016-9102)

  - The v9fs_xattrcreate function in hw/9pfs/9p.c in QEMU     (aka Quick Emulator) allows local guest OS     administrators to obtain sensitive host heap memory     information by reading xattribute values before writing     to them.(CVE-2016-9103)

  - Multiple integer overflows in the (1) v9fs_xattr_read     and (2) v9fs_xattr_write functions in hw/9pfs/9p.c in     QEMU (aka Quick Emulator) allow local guest OS     administrators to cause a denial of service (QEMU     process crash) via a crafted offset, which triggers an     out-of-bounds access.(CVE-2016-9104)

  - Memory leak in the v9fs_link function in hw/9pfs/9p.c     in QEMU (aka Quick Emulator) allows local guest OS     administrators to cause a denial of service (memory     consumption) via vectors involving a reference to the     source fid object.(CVE-2016-9105)

  - Memory leak in the v9fs_write function in hw/9pfs/9p.c     in QEMU (aka Quick Emulator) allows local guest OS     administrators to cause a denial of service (memory     consumption) by leveraging failure to free an IO     vector.(CVE-2016-9106)

  - Race condition in QEMU in Xen allows local x86 HVM     guest OS administrators to gain privileges by changing     certain data on shared rings, aka a 'double fetch'     vulnerability.(CVE-2016-9381)

  - Quick Emulator (Qemu) built with the USB redirector     usb-guest support is vulnerable to a memory leakage     flaw. It could occur while destroying the USB     redirector in 'usbredir_handle_destroy'. A guest     user/process could use this issue to leak host memory,     resulting in DoS for a host.(CVE-2016-9907)

  - Quick Emulator (Qemu) built with the USB EHCI Emulation     support is vulnerable to a memory leakage issue. It     could occur while processing packet data in     'ehci_init_transfer'. A guest user/process could use     this issue to leak host memory, resulting in DoS for a     host.(CVE-2016-9911)

  - Stack-based buffer overflow in hw/usb/redirect.c in     QEMU (aka Quick Emulator) allows local guest OS users     to cause a denial of service (QEMU process crash) via     vectors related to logging debug     messages.(CVE-2017-10806)

  - The dhcp_decode function in slirp/bootp.c in QEMU (aka     Quick Emulator) allows local guest OS users to cause a     denial of service (out-of-bounds read and QEMU process     crash) via a crafted DHCP options     string.(CVE-2017-11434)

  - Integer overflow in the macro ROUND_UP (n, d) in Quick     Emulator (Qemu) allows a user to cause a denial of     service (Qemu process crash).(CVE-2017-18043)

  - Memory leak in the serial_exit_core function in     hw/char/serial.c in QEMU (aka Quick Emulator) allows     local guest OS privileged users to cause a denial of     service (host memory consumption and QEMU process     crash) via a large number of device unplug     operations.(CVE-2017-5579)

  - The xhci_kick_epctx function in hw/usb/hcd-xhci.c in     QEMU (aka Quick Emulator) allows local guest OS     privileged users to cause a denial of service (infinite     loop and QEMU process crash) via vectors related to     control transfer descriptor sequence.(CVE-2017-5973)

  - Memory leak in the audio/audio.c in QEMU (aka Quick     Emulator) allows remote attackers to cause a denial of     service (memory consumption) by repeatedly starting and     stopping audio capture.(CVE-2017-8309)

  - Memory leak in QEMU (aka Quick Emulator), when built     with IDE AHCI Emulation support, allows local guest OS     privileged users to cause a denial of service (memory     consumption) by repeatedly hot-unplugging the AHCI     device.(CVE-2017-9373)

  - Memory leak in QEMU (aka Quick Emulator), when built     with USB EHCI Emulation support, allows local guest OS     privileged users to cause a denial of service (memory     consumption) by repeatedly hot-unplugging the     device.(CVE-2017-9374)

  - Qemu emulator <= 3.0.0 built with the NE2000 NIC     emulation support is vulnerable to an integer overflow,     which could lead to buffer overflow issue. It could     occur when receiving packets over the network. A user     inside guest could use this flaw to crash the Qemu     process resulting in DoS.(CVE-2018-10839)

  - qemu-seccomp.c in QEMU might allow local OS guest users     to cause a denial of service (guest crash) by     leveraging mishandling of the seccomp policy for     threads other than the main thread.(CVE-2018-15746)

  - Qemu has a Buffer Overflow in rtl8139_do_receive in     hw/net/rtl8139.c because an incorrect integer data type     is used.(CVE-2018-17958)

  - qemu_deliver_packet_iov in net/net.c in Qemu accepts     packet sizes greater than INT_MAX, which allows     attackers to cause a denial of service or possibly have     unspecified other impact.(CVE-2018-17963)

  - In QEMU 3.0.0, tcp_emu in slirp/tcp_subr.c has a     heap-based buffer overflow.(CVE-2019-6778)

Note that Tenable Network Security has extracted the preceding description block directly from the EulerOS security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

- CVE-2016-3710: incorrect bounds checking in vga (bz     #1334345)

  - CVE-2016-3712: out of bounds read in vga (bz #1334342)

  - Fix USB redirection (bz #1330221)

  - CVE-2016-4037: infinite loop in usb ehci (bz #1328080)

  - CVE-2016-4001: buffer overflow in stellaris net (bz     #1325885)

  - CVE-2016-2858: rng stack corruption (bz #1314677)

  - CVE-2016-2391: ohci: crash via multiple timers (bz     #1308881)

  - CVE-2016-2198: ehci: NULL pointer dereference (bz     #1303134)

  - Fix ./configure with ccache

Note that Tenable Network Security has extracted the preceding description block directly from the Fedora update system website.
Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

xen was updated to fix 44 security issues.

These security issues were fixed :

  - CVE-2013-4533: Buffer overflow in the pxa2xx_ssp_load     function in hw/arm/pxa2xx.c allowed remote attackers to     cause a denial of service or possibly execute arbitrary     code via a crafted s->rx_level value in a savevm image     (bsc#864655).

  - CVE-2013-4534: Buffer overflow in hw/intc/openpic.c     allowed remote attackers to cause a denial of service or     possibly execute arbitrary code via vectors related to     IRQDest elements (bsc#864811).

  - CVE-2013-4537: The ssi_sd_transfer function in     hw/sd/ssi-sd.c allowed remote attackers to execute     arbitrary code via a crafted arglen value in a savevm     image (bsc#864391).

  - CVE-2013-4538: Multiple buffer overflows in the     ssd0323_load function in hw/display/ssd0323.c allowed     remote attackers to cause a denial of service (memory     corruption) or possibly execute arbitrary code via     crafted (1) cmd_len, (2) row, or (3) col values; (4)     row_start and row_end values; or (5) col_star and     col_end values in a savevm image (bsc#864769).

  - CVE-2013-4539: Multiple buffer overflows in the     tsc210x_load function in hw/input/tsc210x.c might have     allowed remote attackers to execute arbitrary code via a     crafted (1) precision, (2) nextprecision, (3) function,     or (4) nextfunction value in a savevm image     (bsc#864805).

  - CVE-2014-0222: Integer overflow in the qcow_open     function in block/qcow.c allowed remote attackers to     cause a denial of service (crash) via a large L2 table     in a QCOW version 1 image (bsc#877642).

  - CVE-2014-3640: The sosendto function in slirp/udp.c     allowed local users to cause a denial of service (NULL     pointer dereference) by sending a udp packet with a     value of 0 in the source port and address, which     triggers access of an uninitialized socket (bsc#897654).

  - CVE-2014-3689: The vmware-vga driver     (hw/display/vmware_vga.c) allowed local guest users to     write to qemu memory locations and gain privileges via     unspecified parameters related to rectangle handling     (bsc#901508).

  - CVE-2014-7815: The set_pixel_format function in ui/vnc.c     allowed remote attackers to cause a denial of service     (crash) via a small bytes_per_pixel value (bsc#902737).

  - CVE-2014-9718: The (1) BMDMA and (2) AHCI HBA interfaces     in the IDE functionality had multiple interpretations of     a function's return value, which allowed guest OS users     to cause a host OS denial of service (memory consumption     or infinite loop, and system crash) via a PRDT with zero     complete sectors, related to the bmdma_prepare_buf and     ahci_dma_prepare_buf functions (bsc#928393).

  - CVE-2015-1779: The VNC websocket frame decoder allowed     remote attackers to cause a denial of service (memory     and CPU consumption) via a large (1) websocket payload     or (2) HTTP headers section (bsc#924018).

  - CVE-2015-5278: Infinite loop in ne2000_receive()     function (bsc#945989).

  - CVE-2015-6855: hw/ide/core.c did not properly restrict     the commands accepted by an ATAPI device, which allowed     guest users to cause a denial of service or possibly     have unspecified other impact via certain IDE commands,     as demonstrated by a WIN_READ_NATIVE_MAX command to an     empty drive, which triggers a divide-by-zero error and     instance crash (bsc#945404).

  - CVE-2015-7512: Buffer overflow in the pcnet_receive     function in hw/net/pcnet.c, when a guest NIC has a     larger MTU, allowed remote attackers to cause a denial     of service (guest OS crash) or execute arbitrary code     via a large packet (bsc#957162).

  - CVE-2015-7549: pci: NULL pointer dereference issue     (bsc#958917).

  - CVE-2015-8345: eepro100: infinite loop in processing     command block list (bsc#956829).

  - CVE-2015-8504: VNC: floating point exception     (bsc#958491).

  - CVE-2015-8550: Paravirtualized drivers were incautious     about shared memory contents (XSA-155) (bsc#957988).

  - CVE-2015-8554: qemu-dm buffer overrun in MSI-X handling     (XSA-164) (bsc#958007).

  - CVE-2015-8555: Information leak in legacy x86 FPU/XMM     initialization (XSA-165) (bsc#958009).

  - CVE-2015-8558: Infinite loop in ehci_advance_state     resulted in DoS (bsc#959005).

  - CVE-2015-8567: vmxnet3: host memory leakage     (bsc#959387).

  - CVE-2015-8568: vmxnet3: host memory leakage     (bsc#959387).

  - CVE-2015-8613: SCSI: stack-based buffer overflow in     megasas_ctrl_get_info (bsc#961358).

  - CVE-2015-8619: Stack based OOB write in hmp_sendkey     routine (bsc#960334).

  - CVE-2015-8743: ne2000: OOB memory access in ioport r/w     functions (bsc#960725).

  - CVE-2015-8744: vmxnet3: Incorrect l2 header validation     lead to a crash via assert(2) call (bsc#960835).

  - CVE-2015-8745: Reading IMR registers lead to a crash via     assert(2) call (bsc#960707).

  - CVE-2015-8817: OOB access in address_space_rw lead to     segmentation fault (I) (bsc#969121).

  - CVE-2015-8818: OOB access in address_space_rw lead to     segmentation fault (II) (bsc#969122).

  - CVE-2016-1568: AHCI use-after-free vulnerability in aio     port commands (bsc#961332).

  - CVE-2016-1570: The PV superpage functionality in     arch/x86/mm.c allowed local PV guests to obtain     sensitive information, cause a denial of service, gain     privileges, or have unspecified other impact via a     crafted page identifier (MFN) to the (1)     MMUEXT_MARK_SUPER or (2) MMUEXT_UNMARK_SUPER sub-op in     the HYPERVISOR_mmuext_op hypercall or (3) unknown     vectors related to page table updates (bsc#960861).

  - CVE-2016-1571: VMX: intercept issue with INVLPG on     non-canonical address (XSA-168) (bsc#960862).

  - CVE-2016-1714: nvram: OOB r/w access in processing     firmware configurations (bsc#961691).

  - CVE-2016-1922: NULL pointer dereference in vapic_write()     (bsc#962320).

  - CVE-2016-1981: e1000 infinite loop in start_xmit and     e1000_receive_iov routines (bsc#963782).

  - CVE-2016-2198: EHCI NULL pointer dereference in     ehci_caps_write (bsc#964413).

  - CVE-2016-2270: Xen allowed local guest administrators to     cause a denial of service (host reboot) via vectors     related to multiple mappings of MMIO pages with     different cachability settings (bsc#965315).

  - CVE-2016-2271: VMX when using an Intel or Cyrix CPU,     allowed local HVM guest users to cause a denial of     service (guest crash) via vectors related to a     non-canonical RIP (bsc#965317).

  - CVE-2016-2391: usb: multiple eof_timers in ohci module     lead to NULL pointer dereference (bsc#967013).

  - CVE-2016-2392: NULL pointer dereference in remote NDIS     control message handling (bsc#967012).

  - CVE-2016-2538: Integer overflow in remote NDIS control     message handling (bsc#967969).

  - CVE-2016-2841: ne2000: Infinite loop in ne2000_receive     (bsc#969350).

  - XSA-166: ioreq handling possibly susceptible to multiple     read issue (bsc#958523).

The update package also includes non-security fixes. See advisory for details.

Note that Tenable Network Security has extracted the preceding description block directly from the SUSE security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

xen was updated to fix 46 security issues.

These security issues were fixed :

  - CVE-2013-4527: Buffer overflow in hw/timer/hpet.c might     have allowed remote attackers to execute arbitrary code     via vectors related to the number of timers     (bsc#964746).

  - CVE-2013-4529: Buffer overflow in hw/pci/pcie_aer.c     allowed remote attackers to cause a denial of service     and possibly execute arbitrary code via a large log_num     value in a savevm image (bsc#964929).

  - CVE-2013-4530: Buffer overflow in hw/ssi/pl022.c allowed     remote attackers to cause a denial of service or     possibly execute arbitrary code via crafted tx_fifo_head     and rx_fifo_head values in a savevm image (bsc#964950).

  - CVE-2013-4533: Buffer overflow in the pxa2xx_ssp_load     function in hw/arm/pxa2xx.c allowed remote attackers to     cause a denial of service or possibly execute arbitrary     code via a crafted s->rx_level value in a savevm image     (bsc#964644).

  - CVE-2013-4534: Buffer overflow in hw/intc/openpic.c     allowed remote attackers to cause a denial of service or     possibly execute arbitrary code via vectors related to     IRQDest elements (bsc#964452).

  - CVE-2013-4537: The ssi_sd_transfer function in     hw/sd/ssi-sd.c allowed remote attackers to execute     arbitrary code via a crafted arglen value in a savevm     image (bsc#962642).

  - CVE-2013-4538: Multiple buffer overflows in the     ssd0323_load function in hw/display/ssd0323.c allowed     remote attackers to cause a denial of service (memory     corruption) or possibly execute arbitrary code via     crafted (1) cmd_len, (2) row, or (3) col values; (4)     row_start and row_end values; or (5) col_star and     col_end values in a savevm image (bsc#962335).

  - CVE-2013-4539: Multiple buffer overflows in the     tsc210x_load function in hw/input/tsc210x.c might have     allowed remote attackers to execute arbitrary code via a     crafted (1) precision, (2) nextprecision, (3) function,     or (4) nextfunction value in a savevm image     (bsc#962758).

  - CVE-2014-0222: Integer overflow in the qcow_open     function in block/qcow.c allowed remote attackers to     cause a denial of service (crash) via a large L2 table     in a QCOW version 1 image (bsc#964925).

  - CVE-2014-3640: The sosendto function in slirp/udp.c     allowed local users to cause a denial of service (NULL     pointer dereference) by sending a udp packet with a     value of 0 in the source port and address, which     triggers access of an uninitialized socket (bsc#965112).

  - CVE-2014-3689: The vmware-vga driver     (hw/display/vmware_vga.c) allowed local guest users to     write to qemu memory locations and gain privileges via     unspecified parameters related to rectangle handling     (bsc#962611).

  - CVE-2014-7815: The set_pixel_format function in ui/vnc.c     allowed remote attackers to cause a denial of service     (crash) via a small bytes_per_pixel value (bsc#962627).

  - CVE-2014-9718: The (1) BMDMA and (2) AHCI HBA interfaces     in the IDE functionality had multiple interpretations of     a function's return value, which allowed guest OS users     to cause a host OS denial of service (memory consumption     or infinite loop, and system crash) via a PRDT with zero     complete sectors, related to the bmdma_prepare_buf and     ahci_dma_prepare_buf functions (bsc#964431).

  - CVE-2015-1779: The VNC websocket frame decoder allowed     remote attackers to cause a denial of service (memory     and CPU consumption) via a large (1) websocket payload     or (2) HTTP headers section (bsc#962632).

  - CVE-2015-5278: Infinite loop in ne2000_receive()     function (bsc#964947).

  - CVE-2015-6855: hw/ide/core.c did not properly restrict     the commands accepted by an ATAPI device, which allowed     guest users to cause a denial of service or possibly     have unspecified other impact via certain IDE commands,     as demonstrated by a WIN_READ_NATIVE_MAX command to an     empty drive, which triggers a divide-by-zero error and     instance crash (bsc#965156).

  - CVE-2015-7512: Buffer overflow in the pcnet_receive     function in hw/net/pcnet.c, when a guest NIC has a     larger MTU, allowed remote attackers to cause a denial     of service (guest OS crash) or execute arbitrary code     via a large packet (bsc#962360).

  - CVE-2015-7549: pci: NULL pointer dereference issue     (bsc#958918).

  - CVE-2015-8345: eepro100: infinite loop in processing     command block list (bsc#956832).

  - CVE-2015-8504: VNC: floating point exception     (bsc#958493).

  - CVE-2015-8550: Paravirtualized drivers were incautious     about shared memory contents (XSA-155) (bsc#957988).

  - CVE-2015-8554: qemu-dm buffer overrun in MSI-X handling     (XSA-164) (bsc#958007).

  - CVE-2015-8555: Information leak in legacy x86 FPU/XMM     initialization (XSA-165) (bsc#958009).

  - CVE-2015-8558: Infinite loop in ehci_advance_state     resulted in DoS (bsc#959006).

  - CVE-2015-8567: vmxnet3: host memory leakage     (bsc#959387).

  - CVE-2015-8568: vmxnet3: host memory leakage     (bsc#959387).

  - CVE-2015-8613: SCSI: stack-based buffer overflow in     megasas_ctrl_get_info (bsc#961358).

  - CVE-2015-8619: Stack based OOB write in hmp_sendkey     routine (bsc#965269).

  - CVE-2015-8743: ne2000: OOB memory access in ioport r/w     functions (bsc#960726).

  - CVE-2015-8744: vmxnet3: Incorrect l2 header validation     lead to a crash via assert(2) call (bsc#960836).

  - CVE-2015-8745: Reading IMR registers lead to a crash via     assert(2) call (bsc#960707).

  - CVE-2015-8817: OOB access in address_space_rw lead to     segmentation fault (I) (bsc#969125).

  - CVE-2015-8818: OOB access in address_space_rw lead to     segmentation fault (II) (bsc#969126).

  - CVE-2016-1568: AHCI use-after-free vulnerability in aio     port commands (bsc#961332).

  - CVE-2016-1570: The PV superpage functionality in     arch/x86/mm.c allowed local PV guests to obtain     sensitive information, cause a denial of service, gain     privileges, or have unspecified other impact via a     crafted page identifier (MFN) to the (1)     MMUEXT_MARK_SUPER or (2) MMUEXT_UNMARK_SUPER sub-op in     the HYPERVISOR_mmuext_op hypercall or (3) unknown     vectors related to page table updates (bsc#960861).

  - CVE-2016-1571: VMX: intercept issue with INVLPG on     non-canonical address (XSA-168) (bsc#960862).

  - CVE-2016-1714: nvram: OOB r/w access in processing     firmware configurations (bsc#961692).

  - CVE-2016-1922: NULL pointer dereference in vapic_write()     (bsc#962321).

  - CVE-2016-1981: e1000 infinite loop in start_xmit and     e1000_receive_iov routines (bsc#963783).

  - CVE-2016-2198: EHCI NULL pointer dereference in     ehci_caps_write (bsc#964415).

  - CVE-2016-2270: Xen allowed local guest administrators to     cause a denial of service (host reboot) via vectors     related to multiple mappings of MMIO pages with     different cachability settings (bsc#965315).

  - CVE-2016-2271: VMX when using an Intel or Cyrix CPU,     allowed local HVM guest users to cause a denial of     service (guest crash) via vectors related to a     non-canonical RIP (bsc#965317).

  - CVE-2016-2391: usb: multiple eof_timers in ohci module     lead to NULL pointer dereference (bsc#967101).

  - CVE-2016-2392: NULL pointer dereference in remote NDIS     control message handling (bsc#967090).

  - CVE-2016-2538: Integer overflow in remote NDIS control     message handling (bsc#968004).

  - XSA-166: ioreq handling possibly susceptible to multiple     read issue (bsc#958523).

The update package also includes non-security fixes. See advisory for details.

Note that Tenable Network Security has extracted the preceding description block directly from the SUSE security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

在快速处理器仿真器 QEMU 中发现数个漏洞：CVE-2016-2391 Zuozhi Fzz 发现，通过空指针取消引用，利用 USB OHCI 仿真支持中的 eof_times 可能会造成拒绝服务。CVE-2016-2392 / CVE-2016-2538 Qinghao Tang 发现，USB Net 设备支持中存在空指针取消引用和多个整数溢出，可让本地客户机 OS 管理员造成拒绝服务。这些问题与远程 NDIS 控制消息处理有关。CVE-2016-2841 Yang Hongke 报告，NE2000 NIC 仿真支持中存在无限循环漏洞。CVE-2016-2857 Liu Ling 发现，QEMU IP 校验和例程中存在缺陷。攻击者可能会利用此问题造成 QEMU 崩溃。CVE-2016-2858 伪随机数发生器 (PRNG) 后端支持中存在任意基于堆栈的分配。CVE-2016-4001 / CVE-2016-4002 Oleksandr Bazhaniuk 报告，Stellaris 和 MIPSnet 以太网控制器仿真中存在缓冲区溢出。远程的恶意用户可能会利用这些问题造成 QEMU 崩溃。CVE-2016-4020 Donghai Zdh 报告，QEMU 未正确处理任务优先级寄存器 (TPR) 的访问权限，这使得本地客户机 OS 管理员能够从主机堆栈内存中获取敏感信息。CVE-2016-4037 Du Shaobo 发现，USB EHCI 仿真支持中存在无限循环漏洞。CVE-2016-4439 / CVE-2016-4441 / CVE-2016-5238 / CVE-2016-5338 / CVE-2016-6351 Li Qiang 发现，QEMU 53C9X 快速 SCSI 控制器 (FSC) 仿真支持中存在多个问题，这使得本地客户机 OS 特权用户可能会造成拒绝服务，或可能会造成执行任意代码。CVE-2016-4453 / CVE-2016-4454 Li Qiang 报告，QEMU VMWare VGA 模块处理中存在问题，利用此问题可能会造成 QEMU 崩溃，或获取主机敏感信息。CVE-2016-4952 / CVE-2016-7421 / CVE-2016-7156 Li Qiang 报告，VMware 半虚拟化 SCSI 总线仿真支持中存在缺陷。这些问题与越界访问和无限循环有关，可让本地客户机 OS 特权用户造成拒绝服务。CVE-2016-5105 / CVE-2016-5106 / CVE-2016-5107 / CVE-2016-5337 Li Qiang 发现，MegaRAID SAS 8708EM2 主机总线适配器仿真支持中存在多个问题。这些问题包括读取配置时堆栈信息泄露和越界读写。CVE-2016-6834 Li Qiang 报告，网络传输抽象层支持中数据包碎片化的过程中存在无限循环漏洞。本地客户机 OS 特权用户可利用此缺陷造成拒绝服务。CVE-2016-6836 / CVE-2016-6888 Li Qiang 发现，VMWare VMXNET3 网卡仿真支持中存在问题，这些问题与数据包初始化中的信息泄露和整数溢出有关。CVE-2016-7116 Felix Wilhel 发现，Plan 9 文件系统 (9pfs) 中存在目录遍历缺陷，可能会受到本地客户机 OS 特权用户的利用。CVE-2016-7155 Tom Victor 和 Li Qiang 报告，VMware 半虚拟化 SCSI 总线仿真支持中存在越界读取和无限循环。CVE-2016-7161 Hu Chaojian 报告，xlnx.xps-ethernetlite 仿真支持中存在堆溢出。本地客户机 OS 中的特权用户可能会利用此漏洞造成 QEMU 崩溃。CVE-2016-7170 Qinghao Tang 和 Li Qiang 报告，QEMU VMWare VGA 模块中存在缺陷，通过越界堆栈内存访问，本地客户机 OS 中的特权用户可能会利用此缺陷造成 QEMU 崩溃。CVE-2016-7908 / CVE-2016-7909 Li Qiang 报告，ColdFire 快速以太网控制器和 AMD PC-Net II (Am79C970A) 仿真中存在无限循环漏洞。这些缺陷可允许本地客户机 OS 管理员造成拒绝服务。CVE-2016-8909 Huawei PSIRT 发现，Intel HDA 仿真支持中存在无限循环漏洞，此漏洞与 DMA 缓冲区流处理有关。本地客户机 OS 中的特权用户可能会利用此漏洞造成拒绝服务。CVE-2016-8910 Andrew Henderson 报告，RTL8139 以太网控制器仿真支持中存在无限循环。本地客户机 OS 内的特权用户可能会利用此漏洞造成拒绝服务。CVE-2016-9101 Li Qiang 报告，i8255x (PRO100) 以太网控制器仿真支持中存在内存泄露。CVE-2016-9102 / CVE-2016-9103 / CVE-2016-9104 / CVE-2016-9105 / CVE-2016-9106 / CVE-2016-8577 / CVE-2016-8578 Li Qiang 报告，Plan 9 文件系统 (9pfs) 中存在多个安全问题，包括主机内存泄露和拒绝服务。CVE-2017-10664 QEMU 磁盘网络块设备 qemu-nbd 服务器中存在拒绝服务。CVE-2018-10839 / CVE-2018-17962 / CVE-2018-17963 Daniel Shapira 报告，QEMU 模拟的以太网控制器中，数据包处理存在多个整数溢出。这些问题可导致拒绝服务。对于 Debian 8“Jessie”，这些问题已在 1:2.1+dfsg-12+deb8u8 版本中修复。我们建议您升级 qemu 程序包。注意：Tenable Network Security 已直接从 DLA 安全公告中提取上述描述块。Tenable 已尝试在不引入其他问题的情况下，尽可能进行自动整理和排版。

- CVE-2016-3710：vga 中错误的边界检查 (bz #1334345)

- CVE-2016-3712：vga 中的越界读取问题 (bz #1334342)

- 修复 USB 重定向 (bz #1330221)

- CVE-2016-4037：usb ehci 中的无限循环 (bz #1328080)

- CVE-2016-4001：stellaris net 中的缓冲区溢出 (bz #1325885)

- CVE-2016-2858：rng 堆栈损坏 (bz #1314677)

- CVE-2016-2391：ohci：通过多个定时器造成崩溃 (bz #1308881)

- CVE-2016-2198：ehci：空指针取消引用 (bz #1303134)

- 使用 ccache 修复 ./configure

请注意，Tenable Network Security 已直接从 Fedora 更新系统网站提取上述描述块。
Tenable 已尝试在不引入其他问题的情况下尽可能进行了自动整理和排版。

更新 xen 以修复 44 个安全问题。

修复了这些安全问题：

- CVE-2013-4533：hw/arm/pxa2xx.c 中的 pxa2xx_ssp_load 函数有一个缓冲区溢出问题，允许远程攻击者通过 savevm 图像中特别构建的 s->rx_level 值造成拒绝服务，或可能执行任意代码 (bsc#864655)。

- CVE-2013-4534：hw/intc/openpic.c 中存在一个缓冲区溢出问题，允许远程攻击者通过与 IRQDest 元素相关的矢量造成拒绝服务，或可能执行任意代码 (bsc#864811)。

- CVE-2013-4537：hw/sd/ssi-sd.c 中的 ssi_sd_transfer 函数允许远程攻击者通过 savevm 图像中特别构建的 arglen 值执行任意代码 (bsc#864391)。

- CVE-2013-4538：hw/display/ssd0323.c 的 ssd0323_load 函数中存在多个缓冲区溢出问题，允许远程攻击者通过 savevm 图像中特别构建的 (1) cmd_len、(2) row 或 (3) col 值；(4) row_start 和 row_end 值；或 (5) col_star 和 col_end 值造成拒绝服务（内存损坏）或可能执行任意代码 (bsc#864769)。

- CVE-2013-4539：hw/input/tsc210x.c 的 tsc210x_load 函数中存在多个缓冲区溢出问题，可能允许远程攻击者通过 savevm 图像中特别构建的 (1) precision、(2) nextprecision、(3) function 或 (4) nextfunction 值，执行任意代码 (bsc#864805)。

- CVE-2014-0222：block/qcow.c 的 qcow_open 函数中存在一个整数溢出问题，允许远程攻击者通过 QCOW 版本 1 图像中的大型 L2 表，造成拒绝服务（崩溃）(bsc#877642)。

- CVE-2014-3640：slirp/udp.c 中的 sosendto 函数允许本地用户通过发送源端口和地址的值为 0 的 udp 数据包（可触发访问未初始化的套接字），造成拒绝服务（空指针取消引用) (bsc#897654)。

- CVE-2014-3689：vmware-vga 驱动程序 (hw/display/vmware_vga.c) 允许本地客户机用户通过与矩形处理相关的不明参数，写入 qemu 内存位置，并取得权限 (bsc#901508)。

- CVE-2014-7815：ui/vnc.c 中的 set_pixel_format 函数允许远程攻击者通过小的 bytes_per_pixel 值造成拒绝服务（崩溃）(bsc#902737)。

- CVE-2014-9718：IDE 功能中的 (1) BMDMA 和 (2) AHCI HBA 接口对一个函数的返回值提供多个解释，其可允许客户机操作系统用户通过含有零完成扇区的 PRDT (与 bmdma_prepare_buf 和 ahci_dma_prepare_buf 函数相关)，造成主机操作系统拒绝服务（内存消耗或无限循环，以及系统崩溃）(bsc#928393)。

- CVE-2015-1779：VNC websocket 帧解码器允许远程攻击者通过大型 (1) websocket 负载或 (2) HTTP 标头区段造成拒绝服务（内存与 CPU 消耗）(bsc#924018)。

- CVE-2015-5278：ne2000_receive() 函数中的无限循环 (bsc#945989)。

- CVE-2015-6855：hw/ide/core.c 未正确限制 ATAPI 设备接受的命令，这允许客户机用户通过某些 IDE 命令造成拒绝服务或可能造成其他不明影响，这一点已经由发往空驱动器的 WIN_READ_NATIVE_MAX 命令证实，这会触发除以零错误和实例崩溃 (bsc#945404)。

- CVE-2015-7512：hw/net/pcnet.c 中的 pcnet_receive 函数存在一个缓冲区溢出问题，当客户机 NIC 具有较大的 MTU 时，其允许远程攻击者通过大型数据包造成拒绝服务（客户机操作系统崩溃）或执行任意代码 (bsc#957162)。

- CVE-2015-7549：pci：空指针取消引用问题 (bsc#958917)。

- CVE-2015-8345：eepro100：处理命令区块清单中的无限循环 (bsc#956829)。

- CVE-2015-8504：VNC：浮点异常 (bsc#958491)。

- CVE-2015-8550：半虚拟化驱动程序轻率处理共享内存内容 (XSA-155) (bsc#957988)。

- CVE-2015-8554：MSI-X 处理中的 qemu-dm 缓冲区溢出 (XSA-164) (bsc#958007)。

- CVE-2015-8555：旧 x86 FPU/XMM 初始化中的信息泄漏 (XSA-165) (bsc#958009)。

- CVE-2015-8558：ehci_advance_state 中的无限循环导致 DoS (bsc#959005)。

- CVE-2015-8567：vmxnet3：主机内存泄漏 (bsc#959387)。

- CVE-2015-8568：vmxnet3：主机内存泄漏 (bsc#959387)。

- CVE-2015-8613：SCSI：megasas_ctrl_get_info 中基于堆栈的缓冲区溢出 (bsc#961358)。

- CVE-2015-8619：hmp_sendkey 例程中基于堆栈的越界写入 (bsc#960334)。

- CVE-2015-8743：ne2000：ioport r/w 函数中的 OOB 内存访问问题 (bsc#960725)。

- CVE-2015-8744：vmxnet3：不正确的 l2 标头验证可通过 assert(2) 调用导致崩溃 (bsc#960835)。

- CVE-2015-8745：通过 assert(2) 调用读取 IMR 寄存器导致崩溃 (bsc#960707)。

- CVE-2015-8817：address_space_rw 中的越界访问导致分段错误 (I) (bsc#969121)。

- CVE-2015-8818：address_space_rw 中的越界访问导致分段错误 (II) (bsc#969122)。

- CVE-2016-1568：aio 端口命令中的 AHCI 释放后使用漏洞 (bsc#961332)。

- CVE-2016-1570：arch/x86/mm.c 中的 PV superpage 功能允许本地 PV 客户机通过针对 (1) MMUEXT_MARK_SUPER 或 (2) HYPERVISOR_mmuext_op 超级调用中的 MMUEXT_UNMARK_SUPER sub-op 或 (3) 与页表更新相关的未知矢量特别构建的页面标识符 (MFN)，获得敏感信息，造成拒绝服务，取得权限，或造成其他不明影响 (bsc#960861)。

- CVE-2016-1571：VMX：非规范地址上 INVLPG 的拦截问题 (XSA-168) (bsc#960862)。

- CVE-2016-1714：nvram：处理固件配置中的 OOB 读/写权限 (bsc#961691)。

- CVE-2016-1922：vapic_write() 中的空指针取消引用 (bsc#962320)。

- CVE-2016-1981：start_xmit 和 e1000_receive_iov 例程中的 e1000 无限循环 (bsc#963782)。

- CVE-2016-2198：ehci_caps_write 中的 EHCI 空指针取消引用 (bsc#964413)。

- CVE-2016-2270：Xen 允许本地客户机系统管理员通过与具有不同可缓存性设置的 MMIO 页面的多个映射相关的矢量，造成拒绝服务（主机重新启动）(bsc#965315)。

- CVE-2016-2271：使用 Intel 或 Cyrix CPU 时，VMX 允许本地 HVM 客户机用户通过与非规范 RIP 相关的矢量造成拒绝服务（客户机崩溃）(bsc#965317)。

- CVE-2016-2391：usb：ohci 模块中的多个 eof_timers 导致空指针取消引用 (bsc#967013)。

- CVE-2016-2392：远程 NDIS 控制消息处理中的空指针取消引用 (bsc#967012)。

- CVE-2016-2538：远程 NDIS 控制消息处理中的整数溢出 (bsc#967969)。

- CVE-2016-2841：ne2000：ne2000_receive 中的无限循环 (bsc#969350)。

- XSA-166：: ioreq 处理可能容易受到多个读取问题影响 (bsc#958523)。

已修复下列非安全性问题：

- bsc#954872：脚本 block-dmmd 无法正常工作

- bsc#957698：DOM0 无法在 Dell PC 上显示

- bsc#963923：减少 sched-credit tslice 时，域权重未得到遵循

- bsc#959332：还原或迁移时无法访问 SLES12SP1 PV 客户机

- bsc#959695：缺少 xen 的文档

请注意，Tenable Network Security 已直接从 SUSE 安全公告中提取上述描述块。Tenable 已尝试在不引入其他问题的情况下尽可能进行了自动整理和排版。

更新 xen 以修复 46 个安全问题。

修复了这些安全问题：

- CVE-2013-4527：hw/timer/hpet.c 中的缓冲区溢出可能允许远程攻击者，通过与定时器数目相关的矢量执行任意代码 (bsc#964746)。

- CVE-2013-4529：hw/pci/pcie_aer.c 中存在缓冲区溢出，会允许远程攻击者通过 savevm 图像中的大型 log_num 值造成拒绝服务，并可能执行任意代码 (bsc#964929)。

- CVE-2013-4530：hw/ssi/pl022.c 中存在缓冲区溢出，会允许远程攻击者通过 savevm 图像中构建的 tx_fifo_head and rx_fifo_head 值造成拒绝服务，或可能执行任意代码 (bsc#964950)。

- CVE-2013-4533：hw/arm/pxa2xx.c 中的 pxa2xx_ssp_load 函数有一个缓冲区溢出问题，允许远程攻击者通过 savevm 图像中特别构建的 s->rx_level 值造成拒绝服务，或可能执行任意代码 (bsc#964644)。

- CVE-2013-4534：hw/intc/openpic.c 中存在一个缓冲区溢出问题，允许远程攻击者通过与 IRQDest 元素相关的矢量造成拒绝服务，或可能执行任意代码 (bsc#964452)。

- CVE-2013-4537：hw/sd/ssi-sd.c 中的 ssi_sd_transfer 函数允许远程攻击者通过 savevm 图像中特别构建的 arglen 值执行任意代码 (bsc#962642)。

- CVE-2013-4538：hw/display/ssd0323.c 的 ssd0323_load 函数中存在多个缓冲区溢出问题，允许远程攻击者通过 savevm 图像中特别构建的 (1) cmd_len、(2) row 或 (3) col 值；(4) row_start 和 row_end 值；或 (5) col_star 和 col_end 值造成拒绝服务（内存损坏）或可能执行任意代码 (bsc#962335)。

- CVE-2013-4539：hw/input/tsc210x.c 的 tsc210x_load 函数中存在多个缓冲区溢出问题，可能允许远程攻击者通过 savevm 图像中特别构建的 (1) precision、(2) nextprecision、(3) function 或 (4) nextfunction 值，执行任意代码 (bsc#962758)。

- CVE-2014-0222：block/qcow.c 的 qcow_open 函数中存在一个整数溢出问题，允许远程攻击者通过 QCOW 版本 1 图像中的大型 L2 表，造成拒绝服务（崩溃）(bsc#964925)。

- CVE-2014-3640：slirp/udp.c 中的 sosendto 函数允许本地用户通过发送源端口和地址的值为 0 的 udp 数据包（可触发访问未初始化的套接字），造成拒绝服务（空指针取消引用）(bsc#965112)。

- CVE-2014-3689：vmware-vga 驱动程序 (hw/display/vmware_vga.c) 允许本地客户机用户通过与矩形处理相关的不明参数，写入 qemu 内存位置，并取得权限 (bsc#962611)。

- CVE-2014-7815：ui/vnc.c 中的 set_pixel_format 函数允许远程攻击者通过小的 bytes_per_pixel 值造成拒绝服务（崩溃）(bsc#962627)。

- CVE-2014-9718：IDE 功能中的 (1) BMDMA 和 (2) AHCI HBA 接口对一个函数的返回值提供多个解释，其可允许客户机操作系统用户通过含有零完成扇区的 PRDT (与 bmdma_prepare_buf 和 ahci_dma_prepare_buf 函数相关)，造成主机操作系统拒绝服务（内存消耗或无限循环，以及系统崩溃）(bsc#964431)。

- CVE-2015-1779：VNC websocket 帧解码器允许远程攻击者通过大型 (1) websocket 负载或 (2) HTTP 标头区段造成拒绝服务（内存与 CPU 消耗）(bsc#962632)。

- CVE-2015-5278：ne2000_receive() 函数中的无限循环 (bsc#964947)。

- CVE-2015-6855：hw/ide/core.c 未正确限制 ATAPI 设备接受的命令，这允许客户机用户通过某些 IDE 命令造成拒绝服务或可能造成其他不明影响，这一点已经由发往空驱动器的 WIN_READ_NATIVE_MAX 命令证实，这会触发除以零错误和实例崩溃 (bsc#965156)。

- CVE-2015-7512：hw/net/pcnet.c 中的 pcnet_receive 函数存在一个缓冲区溢出问题，当客户机 NIC 具有较大的 MTU 时，其允许远程攻击者通过大型数据包造成拒绝服务（客户机操作系统崩溃）或执行任意代码 (bsc#962360)。

- CVE-2015-7549：pci：空指针取消引用问题 (bsc#958918)。

- CVE-2015-8345：eepro100：处理命令区块清单中的无限循环 (bsc#956832)。

- CVE-2015-8504：VNC：浮点异常 (bsc#958493)。

- CVE-2015-8550：半虚拟化驱动程序轻率处理共享内存内容 (XSA-155) (bsc#957988)。

- CVE-2015-8554：MSI-X 处理中的 qemu-dm 缓冲区溢出 (XSA-164) (bsc#958007)。

- CVE-2015-8555：旧 x86 FPU/XMM 初始化中的信息泄漏 (XSA-165) (bsc#958009)。

- CVE-2015-8558：ehci_advance_state 中的无限循环导致 DoS (bsc#959006)。

- CVE-2015-8567：vmxnet3：主机内存泄漏 (bsc#959387)。

- CVE-2015-8568：vmxnet3：主机内存泄漏 (bsc#959387)。

- CVE-2015-8613：SCSI：megasas_ctrl_get_info 中基于堆栈的缓冲区溢出 (bsc#961358)。

- CVE-2015-8619：hmp_sendkey 例程中基于堆栈的越界写入 (bsc#965269)。

- CVE-2015-8743：ne2000：ioport r/w 函数中的 OOB 内存访问问题 (bsc#960726)。

- CVE-2015-8744：vmxnet3：不正确的 l2 标头验证可通过 assert(2) 调用导致崩溃 (bsc#960836)。

- CVE-2015-8745：通过 assert(2) 调用读取 IMR 寄存器导致崩溃 (bsc#960707)。

- CVE-2015-8817：address_space_rw 中的越界访问导致分段错误 (I) (bsc#969125)。

- CVE-2015-8818：address_space_rw 中的越界访问导致分段错误 (II) (bsc#969126)。

- CVE-2016-1568：aio 端口命令中的 AHCI 释放后使用漏洞 (bsc#961332)。

- CVE-2016-1570：arch/x86/mm.c 中的 PV superpage 功能允许本地 PV 客户机通过针对 (1) MMUEXT_MARK_SUPER 或 (2) HYPERVISOR_mmuext_op 超级调用中的 MMUEXT_UNMARK_SUPER sub-op 或 (3) 与页表更新相关的未知矢量特别构建的页面标识符 (MFN)，获得敏感信息，造成拒绝服务，取得权限，或造成其他不明影响 (bsc#960861)。

- CVE-2016-1571：VMX：非规范地址上 INVLPG 的拦截问题 (XSA-168) (bsc#960862)。

- CVE-2016-1714：nvram：处理固件配置中的 OOB r/w 访问 (bsc#961692)。

- CVE-2016-1922：vapic_write() 中的空指针取消引用 (bsc#962321)。

- CVE-2016-1981：start_xmit 和 e1000_receive_iov 例程中的 e1000 无限循环 (bsc#963783)。

- CVE-2016-2198：ehci_caps_write 中的 EHCI 空指针取消引用 (bsc#964415)。

- CVE-2016-2270：Xen 允许本地客户机系统管理员通过与具有不同可缓存性设置的 MMIO 页面的多个映射相关的矢量，造成拒绝服务（主机重新启动）(bsc#965315)。

- CVE-2016-2271：使用 Intel 或 Cyrix CPU 时，VMX 允许本地 HVM 客户机用户通过与非规范 RIP 相关的矢量造成拒绝服务（客户机崩溃）(bsc#965317)。

- CVE-2016-2391：usb：ohci 模块中的多个 eof_timers 导致空指针取消引用 (bsc#967101)。

- CVE-2016-2392：远程 NDIS 控制消息处理中的空指针取消引用 (bsc#967090)。

- CVE-2016-2538：远程 NDIS 控制消息处理中的整数溢出 (bsc#968004)。

- XSA-166：: ioreq 处理可能容易受到多个读取问题影响 (bsc#958523)。

已修复下列非安全性问题：

- bsc#954872：脚本 block-dmmd 无法正常工作

- bsc#963923：减少 sched-credit tslice 时，域权重未得到遵循

- bsc#959695：缺少 xen 的文档

请注意，Tenable Network Security 已直接从 SUSE 安全公告中提取上述描述块。Tenable 已尝试在不引入其他问题的情况下尽可能进行了自动整理和排版。

ID	名稱	產品	系列	已發布	已更新	嚴重性
91122	Ubuntu 14.04 LTS / 16.04 LTS : QEMU vulnerabilities (USN-2974-1)	Nessus	Ubuntu Local Security Checks	2016/5/13	2023/10/20	critical
92201	Fedora 23 : 2:qemu (2016-f2b1f07256)	Nessus	Fedora Local Security Checks	2016/7/14	2021/1/11	high
90759	SUSE SLES11 Security Update : xen (SUSE-SU-2016:1154-1)	Nessus	SuSE Local Security Checks	2016/4/27	2021/1/19	critical
93177	SUSE SLES11 Security Update : xen (SUSE-SU-2016:1745-1)	Nessus	SuSE Local Security Checks	2016/8/29	2021/1/19	critical
90396	SUSE SLED11 / SLES11 Security Update : xen (SUSE-SU-2016:0955-1)	Nessus	SuSE Local Security Checks	2016/4/7	2021/1/6	critical
92135	Fedora 22：2：qemu (2016-a3298e39f7)	Nessus	Fedora Local Security Checks	2016/7/14	2021/1/11	high
119310	Debian DLA-1599-1：qemu 安全性更新	Nessus	Debian Local Security Checks	2018/12/1	2021/1/11	critical
90186	SUSE SLED12 / SLES12 安全性更新：xen (SUSE-SU-2016:0873-1)	Nessus	SuSE Local Security Checks	2016/3/25	2021/1/6	critical
91249	SUSE SLED12 / SLES12 安全性更新：xen (SUSE-SU-2016:1318-1)	Nessus	SuSE Local Security Checks	2016/5/19	2021/1/6	critical
119310	Debian DLA-1599-1 : qemu security update	Nessus	Debian Local Security Checks	2018/12/1	2021/1/11	critical
135559	EulerOS 2.0 SP3 : qemu-kvm (EulerOS-SA-2020-1430)	Nessus	Huawei Local Security Checks	2020/4/15	2024/3/18	critical
92135	Fedora 22 : 2:qemu (2016-a3298e39f7)	Nessus	Fedora Local Security Checks	2016/7/14	2021/1/11	high
90186	SUSE SLED12 / SLES12 Security Update : xen (SUSE-SU-2016:0873-1)	Nessus	SuSE Local Security Checks	2016/3/25	2021/1/6	critical
91249	SUSE SLED12 / SLES12 Security Update : xen (SUSE-SU-2016:1318-1)	Nessus	SuSE Local Security Checks	2016/5/19	2021/1/6	critical
119310	Debian DLA-1599-1：qemu 安全更新	Nessus	Debian Local Security Checks	2018/12/1	2021/1/11	critical
92135	Fedora 22：2：qemu (2016-a3298e39f7)	Nessus	Fedora Local Security Checks	2016/7/14	2021/1/11	high
90186	SUSE SLED12 / SLES12 安全更新：xen (SUSE-SU-2016:0873-1)	Nessus	SuSE Local Security Checks	2016/3/25	2021/1/6	critical
91249	SUSE SLED12 / SLES12 安全更新：xen (SUSE-SU-2016:1318-1)	Nessus	SuSE Local Security Checks	2016/5/19	2021/1/6	critical

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