Several vulnerabilities have been discovered in the Linux kernel that may lead to a privilege escalation, denial of service or information leaks.

  - CVE-2014-9940     A use-after-free flaw in the voltage and current     regulator driver could allow a local user to cause a     denial of service or potentially escalate privileges.

  - CVE-2017-7346     Li Qiang discovered that the DRM driver for VMware     virtual GPUs does not properly check user-controlled     values in the vmw_surface_define_ioctl() functions for     upper limits. A local user can take advantage of this     flaw to cause a denial of service.

  - CVE-2017-7482     Shi Lei discovered that RxRPC Kerberos 5 ticket handling     code does not properly verify metadata, leading to     information disclosure, denial of service or potentially     execution of arbitrary code.

  - CVE-2017-7533     Fan Wu and Shixiong Zhao discovered a race condition     between inotify events and VFS rename operations     allowing an unprivileged local attacker to cause a     denial of service or escalate privileges.

  - CVE-2017-7541     A buffer overflow flaw in the Broadcom IEEE802.11n PCIe     SoftMAC WLAN driver could allow a local user to cause     kernel memory corruption, leading to a denial of service     or potentially privilege escalation.

  - CVE-2017-7542     An integer overflow vulnerability in the     ip6_find_1stfragopt() function was found allowing a     local attacker with privileges to open raw sockets to     cause a denial of service.

  - CVE-2017-7889     Tommi Rantala and Brad Spengler reported that the mm     subsystem does not properly enforce the     CONFIG_STRICT_DEVMEM protection mechanism, allowing a     local attacker with access to /dev/mem to obtain     sensitive information or potentially execute arbitrary     code.

  - CVE-2017-9605     Murray McAllister discovered that the DRM driver for     VMware virtual GPUs does not properly initialize memory,     potentially allowing a local attacker to obtain     sensitive information from uninitialized kernel memory     via a crafted ioctl call.

  - CVE-2017-10911     / XSA-216

  Anthony Perard of Citrix discovered an information leak flaw in Xen   blkif response handling, allowing a malicious unprivileged guest to   obtain sensitive information from the host or other guests.

  - CVE-2017-11176     It was discovered that the mq_notify() function does not     set the sock pointer to NULL upon entry into the retry     logic. An attacker can take advantage of this flaw     during a userspace close of a Netlink socket to cause a     denial of service or potentially cause other impact.

  - CVE-2017-1000363     Roee Hay reported that the lp driver does not properly     bounds-check passed arguments, allowing a local attacker     with write access to the kernel command line arguments     to execute arbitrary code.

  - CVE-2017-1000365     It was discovered that argument and environment pointers     are not taken properly into account to the imposed size     restrictions on arguments and environmental strings     passed through RLIMIT_STACK/RLIMIT_INFINITY. A local     attacker can take advantage of this flaw in conjunction     with other flaws to execute arbitrary code.

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

  - In do_epoll_ctl and ep_loop_check_proc of eventpoll.c,     there is a possible use after free due to a logic     error. This could lead to local escalation of privilege     with no additional execution privileges needed. User     interaction is not needed for     exploitation.(CVE-2020-0466)

  - fs/nfsd/nfs3xdr.c in the Linux kernel through 5.10.8,     when there is an NFS export of a subdirectory of a     filesystem, allows remote attackers to traverse to     other parts of the filesystem via READDIRPLUS. NOTE:
    some parties argue that such a subdirectory export is     not intended to prevent this attack see also the     exports(5) no_subtree_check default     behavior.(CVE-2021-3178)

  - An issue was discovered in the Linux kernel through     5.11.3. A kernel pointer leak can be used to determine     the address of the iscsi_transport structure. When an     iSCSI transport is registered with the iSCSI subsystem,     the transport's handle is available to unprivileged     users via the sysfs file system, at     /sys/class/iscsi_transport/$TRANSPORT_NAME/handle. When     read, the show_transport_handle function (in     drivers/scsi/scsi_transport_iscsi.c) is called, which     leaks the handle. This handle is actually the pointer     to an iscsi_transport struct in the kernel module's     global variables.(CVE-2021-27363)

  - An issue was discovered in the Linux kernel through     5.11.3. drivers/scsi/scsi_transport_iscsi.c is     adversely affected by the ability of an unprivileged     user to craft Netlink messages.(CVE-2021-27364)

  - A race condition was found in the Linux kernels     implementation of the floppy disk drive controller     driver software. The impact of this issue is lessened     by the fact that the default permissions on the floppy     device (/dev/fd0) are restricted to root. If the     permissions on the device have changed the impact     changes greatly. In the default configuration root (or     equivalent) permissions are required to attack this     flaw.(CVE-2021-20261)

  - In fs/ocfs2/cluster/nodemanager.c in the Linux kernel     before 4.15, local users can cause a denial of service     (NULL pointer dereference and BUG) because a required     mutex is not used.(CVE-2017-18216)

  - The omninet_open function in     drivers/usb/serial/omninet.c in the Linux kernel before     4.10.4 allows local users to cause a denial of service     (tty exhaustion) by leveraging reference count     mishandling.(CVE-2017-8925)

  - A flaw was found in the way memory resources were freed     in the unix_stream_recvmsg function in the Linux kernel     when a signal was pending. This flaw allows an     unprivileged local user to crash the system by     exhausting available memory. The highest threat from     this vulnerability is to system     availability.(CVE-2021-20265)

  - A flaw was found in the JFS filesystem code in the     Linux Kernel which allows a local attacker with the     ability to set extended attributes to panic the system,     causing memory corruption or escalating privileges. The     highest threat from this vulnerability is to     confidentiality, integrity, as well as system     availability.(CVE-2020-27815)

  - An out-of-bounds (OOB) memory access flaw was found in     x25_bind in net/x25/af_x25.c in the Linux kernel     version v5.12-rc5. A bounds check failure allows a     local attacker with a user account on the system to     gain access to out-of-bounds memory, leading to a     system crash or a leak of internal kernel information.
    The highest threat from this vulnerability is to     confidentiality, integrity, as well as system     availability.(CVE-2020-35519)

  - There is a flaw reported in the Linux kernel in     versions before 5.9 in     drivers/gpu/drm/nouveau/nouveau_sgdma.c in     nouveau_sgdma_create_ttm in Nouveau DRM subsystem. The     issue results from the lack of validating the existence     of an object prior to performing operations on the     object. An attacker with a local account with a root     privilege, can leverage this vulnerability to escalate     privileges and execute code in the context of the     kernel.(CVE-2021-20292)

  - In drivers/pci/hotplug/rpadlpar_sysfs.c in the Linux     kernel through 5.11.8, the RPA PCI Hotplug driver has a     user-tolerable buffer overflow when writing a new     device name to the driver from userspace, allowing     userspace to write data to the kernel stack frame     directly. This occurs because add_slot_store and     remove_slot_store mishandle drc_name '\0' termination,     aka CID-cc7a0bb058b8.(CVE-2021-28972)

  - A race condition was discovered in get_old_root in     fs/btrfs/ctree.c in the Linux kernel through 5.11.8. It     allows attackers to cause a denial of service (BUG)     because of a lack of locking on an extent buffer before     a cloning operation, aka     CID-dbcc7d57bffc.(CVE-2021-28964)

  - An issue was discovered in the Linux kernel before     5.11.7. usbip_sockfd_store in     drivers/usb/usbip/stub_dev.c allows attackers to cause     a denial of service (GPF) because the stub-up sequence     has race conditions during an update of the local and     shared status, aka CID-9380afd6df70.(CVE-2021-29265)

  - BPF JIT compilers in the Linux kernel through 5.11.12     have incorrect computation of branch displacements,     allowing them to execute arbitrary code within the     kernel context. This affects     arch/x86/net/bpf_jit_comp.c and     arch/x86/net/bpf_jit_comp32.c.(CVE-2021-29154)

  - The KVM implementation in the Linux kernel through     4.14.7 allows attackers to obtain potentially sensitive     information from kernel memory, aka a write_mmio     stack-based out-of-bounds read, related to     arch/x86/kvm/x86.c and     include/trace/events/kvm.h.(CVE-2017-17741)

  - An issue was discovered in the Linux kernel before     5.11.3 when a webcam device exists. video_usercopy in     drivers/media/v4l2-core/v4l2-ioctl.c has a memory leak     for large arguments, aka     CID-fb18802a338b.(CVE-2021-30002)

  - An issue was discovered in the Linux kernel through     4.17.10. There is an invalid pointer dereference in
    __del_reloc_root() in fs/btrfs/relocation.c when     mounting a crafted btrfs image, related to removing     reloc rb_trees when reloc control has not been     initialized.(CVE-2018-14609)

  - An issue was discovered in     fs/xfs/libxfs/xfs_inode_buf.c in the Linux kernel     through 4.17.3. A denial of service (memory corruption     and BUG) can occur for a corrupted xfs image upon     encountering an inode that is in extent format, but has     more extents than fit in the inode     fork.(CVE-2018-13095)

  - The vmw_gb_surface_define_ioctl function in     drivers/gpu/drm/vmwgfx/vmwgfx_surface.c in the Linux     kernel through 4.10.7 does not validate certain levels     data, which allows local users to cause a denial of     service (system hang) via a crafted ioctl call for a     /dev/dri/renderD* device.(CVE-2017-7346)

  - The klsi_105_get_line_state function in     drivers/usb/serial/kl5kusb105.c in the Linux kernel     before 4.9.5 places uninitialized heap-memory contents     into a log entry upon a failure to read the line     status, which allows local users to obtain sensitive     information by reading the log.(CVE-2017-5549)

  - An integer overflow in the uvesafb_setcmap function in     drivers/video/fbdev/uvesafb.c in the Linux kernel     before 4.17.4 could result in local attackers being     able to crash the kernel or potentially elevate     privileges because kmalloc_array is not     used.(CVE-2018-13406)

  - In the Linux kernel before version 4.12, Kerberos 5     tickets decoded when using the RXRPC keys incorrectly     assumes the size of a field. This could lead to the     size-remaining variable wrapping and the data pointer     going over the end of the buffer. This could possibly     lead to memory corruption and possible privilege     escalation.(CVE-2017-7482)

  - drivers/net/usb/rtl8150.c in the Linux kernel 4.9.x     before 4.9.11 interacts incorrectly with the     CONFIG_VMAP_STACK option, which allows local users to     cause a denial of service (system crash or memory     corruption) or possibly have unspecified other impact     by leveraging use of more than one virtual page for a     DMA scatterlist.(CVE-2017-8069)

  - An issue was discovered in the Linux kernel through     5.11.3. Certain iSCSI data structures do not have     appropriate length constraints or checks, and can     exceed the PAGE_SIZE value. An unprivileged user can     send a Netlink message that is associated with iSCSI,     and has a length up to the maximum length of a Netlink     message.(CVE-2021-27365)

  - A flaw was found in the Nosy driver in the Linux     kernel. This issue allows a device to be inserted twice     into a doubly-linked list, leading to a use-after-free     when one of these devices is removed. The highest     threat from this vulnerability is to confidentiality,     integrity, as well as system availability. Versions     before kernel 5.12-rc6 are affected(CVE-2021-3483)

  - An issue was discovered in the FUSE filesystem     implementation in the Linux kernel before 5.10.6, aka     CID-5d069dbe8aaf. fuse_do_getattr() calls     make_bad_inode() in inappropriate situations, causing a     system crash. NOTE: the original fix for this     vulnerability was incomplete, and its incompleteness is     tracked as CVE-2021-28950.(CVE-2020-36322)

  - An out-of-bounds (OOB) memory write flaw was found in     list_devices in drivers/md/dm-ioctl.c in the     Multi-device driver module in the Linux kernel before     5.12. A bound check failure allows an attacker with     special user (CAP_SYS_ADMIN) privilege to gain access     to out-of-bounds memory leading to a system crash or a     leak of internal kernel information. The highest threat     from this vulnerability is to system     availability.(CVE-2021-31916)

  - A vulnerability was found in Linux Kernel, where a     refcount leak in llcp_sock_connect() causing     use-after-free which might lead to privilege     escalations.(CVE-2020-25671)

  - A vulnerability was found in Linux Kernel where     refcount leak in llcp_sock_bind() causing     use-after-free which might lead to privilege     escalations.(CVE-2020-25670)

  - A memory leak vulnerability was found in Linux kernel     in llcp_sock_connect(CVE-2020-25672)

  - The Linux kernel before 5.11.14 has a use-after-free in     cipso_v4_genopt in net/ipv4/cipso_ipv4.c because the     CIPSO and CALIPSO refcounting for the DOI definitions     is mishandled, aka CID-ad5d07f4a9cd. This leads to     writing an arbitrary value.(CVE-2021-33033)

  - Use After Free vulnerability in nfc sockets in the     Linux Kernel before 5.12.4 allows local attackers to     elevate their privileges. In typical configurations,     the issue can only be triggered by a privileged local     user with the CAP_NET_RAW capability.(CVE-2021-23134)

  - A flaw use-after-free in function     hci_sock_bound_ioctl() of the Linux kernel HCI     subsystem was found in the way user detaches bluetooth     dongle or other way triggers unregister bluetooth     device event. A local user could use this flaw to crash     the system or escalate their privileges on the     system.(CVE-2021-3573)

  - An issue was discovered in the Linux kernel through     5.10.11. PI futexes have a kernel stack use-after-free     during fault handling, allowing local users to execute     code in the kernel, aka     CID-34b1a1ce1458.(CVE-2021-3347)

  - A vulnerability was found in Linux kernel where     non-blocking socket in llcp_sock_connect() leads to     leak and eventually hanging-up the     system.(CVE-2020-25673)

  - net/bluetooth/hci_request.c in the Linux kernel through     5.12.2 has a race condition for removal of the HCI     controller.(CVE-2021-32399)

  - In all Qualcomm products with Android releases from CAF     using the Linux kernel, during DMA allocation, due to     wrong data type of size, allocation size gets truncated     which makes allocation succeed when it should     fail.(CVE-2017-9725)

  - A flaw double-free memory corruption in the Linux     kernel HCI device initialization subsystem was found in     the way user attach malicious HCI TTY Bluetooth device.
    A local user could use this flaw to crash the system.
    This flaw affects all the Linux kernel versions     starting from 3.13.(CVE-2021-3564)

  - A flaw was found in the CAN BCM networking protocol in     the Linux kernel, where a local attacker can abuse a     flaw in the CAN subsystem to corrupt memory, crash the     system or escalate privileges.(CVE-2021-3609)

  - The ip6gre_err function in net/ipv6/ip6_gre.c in the     Linux kernel allows remote attackers to have     unspecified impact via vectors involving GRE flags in     an IPv6 packet, which trigger an out-of-bounds     access.(CVE-2017-5897)

  - An Out-of-Bounds Read was discovered in     arch/arm/mach-footbridge/personal-pci.c in the Linux     kernel through 5.12.11 because of the lack of a check     for a value that shouldn't be negative, e.g., access to     element -2 of an array, aka     CID-298a58e165e4.(CVE-2021-32078)

  - In the Linux kernel before 4.20.8,     kvm_ioctl_create_device in virt/kvm/kvm_main.c     mishandles reference counting because of a race     condition, leading to a use-after-free.(CVE-2019-6974)

  - In uvc_scan_chain_forward of uvc_driver.c, there is a     possible linked list corruption due to an unusual root     cause. This could lead to local escalation of privilege     in the kernel with no additional execution privileges     needed. User interaction is not needed for     exploitation.(CVE-2020-0404)

  - In create_pinctrl of core.c, there is a possible out of     bounds read due to a use after free. This could lead to     local information disclosure with no additional     execution privileges needed. User interaction is not     needed for exploitation.(CVE-2020-0427)

  - In kbd_keycode of keyboard.c, there is a possible out     of bounds write due to a missing bounds check. This     could lead to local escalation of privilege with no     additional execution privileges needed. User     interaction is not needed for exploitation.Product:
    AndroidVersions: Android kernelAndroid ID:
    A-144161459(CVE-2020-0431)

  - In blk_mq_queue_tag_busy_iter of blk-mq-tag.c, there is     a possible use after free due to improper locking. This     could lead to local escalation of privilege with no     additional execution privileges needed. User     interaction is not needed for     exploitation.(CVE-2020-0433)

  - In various methods of hid-multitouch.c, there is a     possible out of bounds write due to a missing bounds     check. This could lead to local escalation of privilege     with no additional execution privileges needed. User     interaction is not needed for     exploitation.(CVE-2020-0465)

  - A vulnerability was found in the Linux Kernel where the     function sunkbd_reinit having been scheduled by     sunkbd_interrupt before sunkbd being freed. Though the     dangling pointer is set to NULL in sunkbd_disconnect,     there is still an alias in sunkbd_reinit causing Use     After Free.(CVE-2020-25669)

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.

The remote Oracle Linux 6 / 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2020-5670 advisory.

    - brcmfmac: add subtype check for event handling in data path (John Donnelly)  [Orabug: 30776354]     {CVE-2019-9503}
    - mwifiex: pcie: Fix memory leak in mwifiex_pcie_alloc_cmdrsp_buf (Navid Emamdoost)  [Orabug: 31246302]     {CVE-2019-19056}
    - drm/vmwgfx: limit the number of mip levels in vmw_gb_surface_define_ioctl() (Vladis Dronov)  [Orabug:
    31262557]  {CVE-2017-7346}
    - i40e: Increment the driver version for FW API update (Jack Vogel)  [Orabug: 31051191]  {CVE-2019-0140}     {CVE-2019-0139} {CVE-2019-0144}
    - i40e: Update FW API version to 1.9 (Piotr Azarewicz)  [Orabug: 31051191]  {CVE-2019-0140}     {CVE-2019-0139} {CVE-2019-0144}
    - i40e: Changed maximum supported FW API version to 1.8 (Adam Ludkiewicz)  [Orabug: 31051191]     {CVE-2019-0140} {CVE-2019-0139} {CVE-2019-0144}
    - i40e: Stop dropping 802.1ad tags - eth proto 0x88a8 (Scott Peterson)  [Orabug: 31051191]     {CVE-2019-0140} {CVE-2019-0139} {CVE-2019-0144}
    - i40e: fix reading LLDP configuration (Mariusz Stachura)  [Orabug: 31051191]  {CVE-2019-0140}     {CVE-2019-0139} {CVE-2019-0144}
    - i40e: Add capability flag for stopping FW LLDP (Krzysztof Galazka)  [Orabug: 31051191]  {CVE-2019-0140}     {CVE-2019-0139} {CVE-2019-0144}
    - i40e: refactor FW version checking (Mitch Williams)  [Orabug: 31051191]  {CVE-2019-0140} {CVE-2019-0139}     {CVE-2019-0144}
    - i40e: shutdown all IRQs and disable MSI-X when suspended (Jacob Keller)  [Orabug: 31051191]     {CVE-2019-0140} {CVE-2019-0139} {CVE-2019-0144}
    - i40e: prevent service task from running while we're suspended (Jacob Keller)  [Orabug: 31051191]     {CVE-2019-0140} {CVE-2019-0139} {CVE-2019-0144}
    - i40e: don't clear suspended state until we finish resuming (Jacob Keller)  [Orabug: 31051191]     {CVE-2019-0140} {CVE-2019-0139} {CVE-2019-0144}
    - i40e: use newer generic PM support instead of legacy PM callbacks (Jacob Keller)  [Orabug: 31051191]     {CVE-2019-0140} {CVE-2019-0139} {CVE-2019-0144}
    - i40e: use separate state bit for miscellaneous IRQ setup (Jacob Keller)  [Orabug: 31051191]     {CVE-2019-0140} {CVE-2019-0139} {CVE-2019-0144}
    - i40e: fix for flow director counters not wrapping as expected (Mariusz Stachura)  [Orabug: 31051191]     {CVE-2019-0140} {CVE-2019-0139} {CVE-2019-0144}
    - i40e: relax warning message in case of version mismatch (Mariusz Stachura)  [Orabug: 31051191]     {CVE-2019-0140} {CVE-2019-0139} {CVE-2019-0144}
    - i40e: simplify member variable accesses (Sudheer Mogilappagari)  [Orabug: 31051191]  {CVE-2019-0140}     {CVE-2019-0139} {CVE-2019-0144}
    - i40e: Fix link down message when interface is brought up (Sudheer Mogilappagari)  [Orabug: 31051191]     {CVE-2019-0140} {CVE-2019-0139} {CVE-2019-0144}
    - i40e: Fix unqualified module message while bringing link up (Sudheer Mogilappagari)  [Orabug: 31051191]     {CVE-2019-0140} {CVE-2019-0139} {CVE-2019-0144}
    - HID: Fix assumption that devices have inputs (Alan Stern)  [Orabug: 31208622]  {CVE-2019-19532}
    - vgacon: Fix a UAF in vgacon_invert_region (Zhang Xiaoxu)  [Orabug: 31143947]  {CVE-2020-8649}     {CVE-2020-8647} {CVE-2020-8647} {CVE-2020-8649} {CVE-2020-8649} {CVE-2020-8647}
    - HID: hiddev: do cleanup in failure of opening a device (Hillf Danton)  [Orabug: 31206360]     {CVE-2019-19527}
    - HID: hiddev: avoid opening a disconnected device (Hillf Danton)  [Orabug: 31206360]  {CVE-2019-19527}
    - USB: adutux: fix use-after-free on disconnect (Johan Hovold)  [Orabug: 31233769]  {CVE-2019-19523}
    - vt: selection, push sel_lock up (Jiri Slaby)  [Orabug: 30923298]  {CVE-2020-8648}
    - vt: selection, push console lock down (Jiri Slaby)  [Orabug: 30923298]  {CVE-2020-8648}
    - vt: selection, close sel_buffer race (Jiri Slaby)  [Orabug: 30923298]  {CVE-2020-8648} {CVE-2020-8648}
    - mwifiex: Fix three heap overflow at parsing element in cfg80211_ap_settings (Wen Huang)  [Orabug:
    31104481]  {CVE-2019-14814} {CVE-2019-14815} {CVE-2019-14816} {CVE-2019-14814} {CVE-2019-14815}     {CVE-2019-14816}
    - rds: fix an infoleak in rds_inc_info_copy (Kangjie Lu)  [Orabug: 30770962]  {CVE-2016-5244}
    - floppy: check FDC index for errors before assigning it (Linus Torvalds)  [Orabug: 31067516]     {CVE-2020-9383}

Tenable has extracted the preceding description block directly from the Oracle Linux security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

It was discovered that the Linux kernel did not properly initialize a Wake- on-Lan data structure. A local attacker could use this to expose sensitive information (kernel memory). (CVE-2014-9900)

Alexander Potapenko discovered a race condition in the Advanced Linux Sound Architecture (ALSA) subsystem in the Linux kernel. A local attacker could use this to expose sensitive information (kernel memory). (CVE-2017-1000380)

Li Qiang discovered that the DRM driver for VMware Virtual GPUs in the Linux kernel did not properly validate some ioctl arguments. A local attacker could use this to cause a denial of service (system crash).
(CVE-2017-7346)

Murray McAllister discovered that the DRM driver for VMware Virtual GPUs in the Linux kernel did not properly initialize memory. A local attacker could use this to expose sensitive information (kernel memory). (CVE-2017-9605).

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.

The remote Ubuntu 14.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-3364-2 advisory.

    USN-3364-1 fixed vulnerabilities in the Linux kernel for Ubuntu 16.04 LTS. This update provides the     corresponding updates for the Linux Hardware Enablement (HWE) kernel from Ubuntu 16.04 LTS for Ubuntu     14.04 LTS.

    It was discovered that the Linux kernel did not properly initialize a Wake- on-Lan data structure. A local     attacker could use this to expose sensitive information (kernel memory). (CVE-2014-9900)

    It was discovered that the Linux kernel did not properly restrict access to /proc/iomem. A local attacker     could use this to expose sensitive information. (CVE-2015-8944)

    Alexander Potapenko discovered a race condition in the Advanced Linux Sound Architecture (ALSA) subsystem     in the Linux kernel. A local attacker could use this to expose sensitive information (kernel memory).
    (CVE-2017-1000380)

    Li Qiang discovered that the DRM driver for VMware Virtual GPUs in the Linux kernel did not properly     validate some ioctl arguments. A local attacker could use this to cause a denial of service (system     crash). (CVE-2017-7346)

    Jann Horn discovered that bpf in Linux kernel does not restrict the output of the print_bpf_insn function.
    A local attacker could use this to obtain sensitive address information. (CVE-2017-9150)

    Murray McAllister discovered that the DRM driver for VMware Virtual GPUs in the Linux kernel did not     properly initialize memory. A local attacker could use this to expose sensitive information (kernel     memory). (CVE-2017-9605)

Tenable has extracted the preceding description block directly from the Ubuntu security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available.

  - The vmw_gb_surface_define_ioctl function in drivers/gpu/drm/vmwgfx/vmwgfx_surface.c in the Linux kernel     through 4.10.7 does not validate certain levels data, which allows local users to cause a denial of     service (system hang) via a crafted ioctl call for a /dev/dri/renderD* device. (CVE-2017-7346)

Note that Nessus relies on the presence of the package as reported by the vendor.

The SUSE Linux Enterprise 12 SP2 kernel was updated to 4.4.74 to receive various security and bugfixes. The following security bugs were fixed :

  - CVE-2017-1000365: The Linux Kernel imposes a size     restriction on the arguments and environmental strings     passed through RLIMIT_STACK/RLIM_INFINITY (1/4 of the     size), but did not take the argument and environment     pointers into account, which allowed attackers to bypass     this limitation. (bnc#1039354).

  - CVE-2017-1000380: sound/core/timer.c in the Linux kernel     is vulnerable to a data race in the ALSA /dev/snd/timer     driver resulting in local users being able to read     information belonging to other users, i.e.,     uninitialized memory contents may be disclosed when a     read and an ioctl happen at the same time (bnc#1044125).

  - CVE-2017-7346: The vmw_gb_surface_define_ioctl function     in drivers/gpu/drm/vmwgfx/vmwgfx_surface.c in the Linux     kernel did not validate certain levels data, which     allowed local users to cause a denial of service (system     hang) via a crafted ioctl call for a /dev/dri/renderD*     device (bnc#1031796).

  - CVE-2017-9242: The __ip6_append_data function in     net/ipv6/ip6_output.c in the Linux kernel is too late in     checking whether an overwrite of an skb data structure     may occur, which allowed local users to cause a denial     of service (system crash) via crafted system calls     (bnc#1041431).

  - CVE-2017-9076: The dccp_v6_request_recv_sock function in     net/dccp/ipv6.c in the Linux kernel mishandled     inheritance, which allowed local users to cause a denial     of service or possibly have unspecified other impact via     crafted system calls, a related issue to CVE-2017-8890     (bnc#1039885).

  - CVE-2017-9077: The tcp_v6_syn_recv_sock function in     net/ipv6/tcp_ipv6.c in the Linux kernel mishandled     inheritance, which allowed local users to cause a denial     of service or possibly have unspecified other impact via     crafted system calls, a related issue to CVE-2017-8890     (bnc#1040069).

  - CVE-2017-9075: The sctp_v6_create_accept_sk function in     net/sctp/ipv6.c in the Linux kernel mishandled     inheritance, which allowed local users to cause a denial     of service or possibly have unspecified other impact via     crafted system calls, a related issue to CVE-2017-8890     (bnc#1039883).

  - CVE-2017-9074: The IPv6 fragmentation implementation in     the Linux kernel did not consider that the nexthdr field     may be associated with an invalid option, which allowed     local users to cause a denial of service (out-of-bounds     read and BUG) or possibly have unspecified other impact     via crafted socket and send system calls (bnc#1039882).

  - CVE-2017-8924: The edge_bulk_in_callback function in     drivers/usb/serial/io_ti.c in the Linux kernel allowed     local users to obtain sensitive information (in the     dmesg ringbuffer and syslog) from uninitialized kernel     memory by using a crafted USB device (posing as an io_ti     USB serial device) to trigger an integer underflow.
    (bsc#1038982)

  - CVE-2017-8925: The omninet_open function in     drivers/usb/serial/omninet.c in the Linux kernel allowed     local users to cause a denial of service (tty     exhaustion) by leveraging reference count mishandling.
    (bsc#1038981)

  - CVE-2017-7487: The ipxitf_ioctl function in     net/ipx/af_ipx.c in the Linux kernel mishandled     reference counts, which allowed local users to cause a     denial of service (use-after-free) or possibly have     unspecified other impact via a failed SIOCGIFADDR ioctl     call for an IPX interface (bnc#1038879).

  - CVE-2017-8890: The inet_csk_clone_lock function in     net/ipv4/inet_connection_sock.c in the Linux kernel     allowed attackers to cause a denial of service (double     free) or possibly have unspecified other impact by     leveraging use of the accept system call (bnc#1038544).

  - CVE-2017-9150: The do_check function in     kernel/bpf/verifier.c in the Linux kernel did not make     the allow_ptr_leaks value available for restricting the     output of the print_bpf_insn function, which allowed     local users to obtain sensitive address information via     crafted bpf system calls (bnc#1040279).

  - CVE-2017-7618: crypto/ahash.c in the Linux kernel     allowed attackers to cause a denial of service (API     operation calling its own callback, and infinite     recursion) by triggering EBUSY on a full queue     (bnc#1033340).

  - CVE-2017-7616: Incorrect error handling in the     set_mempolicy and mbind compat syscalls in     mm/mempolicy.c in the Linux kernel allowed local users     to obtain sensitive information from uninitialized stack     data by triggering failure of a certain bitmap operation     (bnc#1033336).

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.

Several vulnerabilities have been discovered in the Linux kernel that may lead to a privilege escalation, denial of service or information leaks.

  - CVE-2017-7346     Li Qiang discovered that the DRM driver for VMware     virtual GPUs does not properly check user-controlled     values in the vmw_surface_define_ioctl() functions for     upper limits. A local user can take advantage of this     flaw to cause a denial of service.

  - CVE-2017-7482     Shi Lei discovered that RxRPC Kerberos 5 ticket handling     code does not properly verify metadata, leading to     information disclosure, denial of service or potentially     execution of arbitrary code.

  - CVE-2017-7533     Fan Wu and Shixiong Zhao discovered a race condition     between inotify events and VFS rename operations     allowing an unprivileged local attacker to cause a     denial of service or escalate privileges.

  - CVE-2017-7541     A buffer overflow flaw in the Broadcom IEEE802.11n PCIe     SoftMAC WLAN driver could allow a local user to cause     kernel memory corruption, leading to a denial of service     or potentially privilege escalation.

  - CVE-2017-7542     An integer overflow vulnerability in the     ip6_find_1stfragopt() function was found allowing a     local attacker with privileges to open raw sockets to     cause a denial of service.

  - CVE-2017-9605     Murray McAllister discovered that the DRM driver for     VMware virtual GPUs does not properly initialize memory,     potentially allowing a local attacker to obtain     sensitive information from uninitialized kernel memory     via a crafted ioctl call.

  - CVE-2017-10810     Li Qiang discovered a memory leak flaw within the VirtIO     GPU driver resulting in denial of service (memory     consumption).

  - CVE-2017-10911 / XSA-216     Anthony Perard of Citrix discovered an information leak     flaw in Xen blkif response handling, allowing a     malicious unprivileged guest to obtain sensitive     information from the host or other guests.

  - CVE-2017-11176     It was discovered that the mq_notify() function does not     set the sock pointer to NULL upon entry into the retry     logic. An attacker can take advantage of this flaw     during a user-space close of a Netlink socket to cause a     denial of service or potentially cause other impact.

  - CVE-2017-1000365     It was discovered that argument and environment pointers     are not taken properly into account to the imposed size     restrictions on arguments and environmental strings     passed through RLIMIT_STACK/RLIMIT_INFINITY. A local     attacker can take advantage of this flaw in conjunction     with other flaws to execute arbitrary code.

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-002955 advisory.

    The vmw_gb_surface_define_ioctl function in drivers/gpu/drm/vmwgfx/vmwgfx_surface.c in the Linux kernel     through 4.10.7 does not validate certain levels data, which allows local users to cause a denial of     service (system hang) via a crafted ioctl call for a /dev/dri/renderD* device.

Tenable has extracted the preceding description block directly from the Unity Linux security advisory.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

ID	名稱	產品	系列	已發布	已更新	嚴重性
102550	Debian DSA-3945-1 : linux - security update (Stack Clash)	Nessus	Debian Local Security Checks	2017/8/18	2025/11/26	high
153271	EulerOS 2.0 SP2 : kernel (EulerOS-SA-2021-2392)	Nessus	Huawei Local Security Checks	2021/9/14	2022/5/9	critical
136388	Oracle Linux 6 / 7 : Unbreakable Enterprise kernel (ELSA-2020-5670)	Nessus	Oracle Linux Local Security Checks	2020/5/7	2026/2/9	high
101893	Ubuntu 17.04 : linux, linux-raspi2 vulnerabilities (USN-3358-1)	Nessus	Ubuntu Local Security Checks	2017/7/21	2025/12/9	medium
101952	Ubuntu 14.04 LTS : Linux kernel (Xenial HWE) vulnerabilities (USN-3364-2)	Nessus	Ubuntu Local Security Checks	2017/7/25	2024/8/27	medium
221374	Linux Distros Unpatched Vulnerability : CVE-2017-7346	Nessus	Misc.	2025/3/4	2026/7/17	medium
101762	SUSE SLED12 / SLES12 Security Update : kernel (SUSE-SU-2017:1853-1) (Stack Clash)	Nessus	SuSE Local Security Checks	2017/7/17	2025/12/10	high
102211	Debian DSA-3927-1 : linux - security update (Stack Clash)	Nessus	Debian Local Security Checks	2017/8/7	2025/12/4	high
287479	Unity Linux 20.1060a / 20.1070a Security Update: kernel (UTSA-2026-002955)	Nessus	Unity Linux Local Security Checks	2026/1/15	2026/1/16	medium

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