This update fixes the following security issues :

  - bsc#956832 - CVE-2015-8345: xen: qemu: net: eepro100:
    infinite loop in processing command block list

  - bsc#956592 - xen: virtual PMU is unsupported (XSA-163)

  - bsc#956408 - CVE-2015-8339, CVE-2015-8340: xen:
    XENMEM_exchange error handling issues (XSA-159)

  - bsc#956409 - CVE-2015-8341: xen: libxl leak of pv kernel     and initrd on error (XSA-160)

  - bsc#956411 - CVE-2015-7504: xen: heap buffer overflow     vulnerability in pcnet emulator (XSA-162)

  - bsc#947165 - CVE-2015-7311: xen: libxl fails to honour     readonly flag on disks with qemu-xen (xsa-142)

  - bsc#954405 - CVE-2015-8104: Xen: guest to host DoS by     triggering an infinite loop in microcode via #DB     exception

  - bsc#954018 - CVE-2015-5307: xen: x86: CPU lockup during     fault delivery (XSA-156)

  - bsc#950704 - CVE-2015-7970: xen: x86: Long latency     populate-on-demand operation is not preemptible     (XSA-150)

  - bsc#951845 - CVE-2015-7972: xen: x86: populate-on-demand     balloon size inaccuracy can crash guests (XSA-153)

  - bsc#950703 - CVE-2015-7969: xen: leak of main per-domain     vcpu pointer array (DoS) (XSA-149)

  - bsc#950705 - CVE-2015-7969: xen: x86: leak of per-domain     profiling-related vcpu pointer array (DoS) (XSA-151)

  - bsc#950706 - CVE-2015-7971: xen: x86: some pmu and     profiling hypercalls log without rate limiting (XSA-152)

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.

This update fixes the following security issues :

  - bsc#956832 - CVE-2015-8345: xen: qemu: net: eepro100:
    infinite loop in processing command block list

  - bsc#956592 - xen: virtual PMU is unsupported (XSA-163)

  - bsc#956408 - CVE-2015-8339, CVE-2015-8340: xen:
    XENMEM_exchange error handling issues (XSA-159)

  - bsc#956409 - CVE-2015-8341: xen: libxl leak of pv kernel     and initrd on error (XSA-160)

  - bsc#956411 - CVE-2015-7504: xen: heap buffer overflow     vulnerability in pcnet emulator (XSA-162)

  - bsc#947165 - CVE-2015-7311: xen: libxl fails to honour     readonly flag on disks with qemu-xen (xsa-142)

  - bsc#954405 - CVE-2015-8104: Xen: guest to host DoS by     triggering an infinite loop in microcode via #DB     exception

  - bsc#954018 - CVE-2015-5307: xen: x86: CPU lockup during     fault delivery (XSA-156) CVE-2015-5307-xsa156.patch

  - bsc#950704 - CVE-2015-7970: xen: x86: Long latency     populate-on-demand operation is not preemptible     (XSA-150)     563212c9-x86-PoD-Eager-sweep-for-zeroed-pages.patch

  - bsc#951845 - CVE-2015-7972: xen: x86: populate-on-demand     balloon size inaccuracy can crash guests (XSA-153)     xsa153-libxl.patch xend-xsa153.patch

  - Drop     5604f239-x86-PV-properly-populate-descriptor-tables.patc     h

  - bsc#950703 - CVE-2015-7969: xen: leak of main per-domain     vcpu pointer array (DoS) (XSA-149)

  - bsc#950705 - CVE-2015-7969: xen: x86: leak of per-domain     profiling-related vcpu pointer array (DoS) (XSA-151)

  - bsc#950706 - CVE-2015-7971: xen: x86: some pmu and     profiling hypercalls log without rate limiting (XSA-152)

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.

This update for xen fixes the following security issues :

  - CVE-2015-8568 CVE-2015-8567: xen: qemu: net: vmxnet3:
    host memory leakage (boo#959387)

  - CVE-2015-8550: xen: paravirtualized drivers incautious     about shared memory contents (XSA-155, boo#957988)

  - CVE-2015-8558: xen: qemu: usb: infinite loop in     ehci_advance_state results in DoS (boo#959006)

  - CVE-2015-7549: xen: qemu pci: NULL pointer dereference     issue (boo#958918)

  - CVE-2015-8504: xen: qemu: ui: vnc: avoid floating point     exception (boo#958493)

  - CVE-2015-8554: xen: qemu-dm buffer overrun in MSI-X     handling (XSA-164, boo#958007)

  - CVE-2015-8555: xen: information leak in legacy x86     FPU/XMM initialization (XSA-165, boo#958009)

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

  - CVE-2015-5307: xen: x86: CPU lockup during fault     delivery (XSA-156, boo#954018)

  - CVE-2015-8345: xen: qemu: net: eepro100: infinite loop     in processing command block list (boo#956832)

  - boo#956592: xen: virtual PMU is unsupported (XSA-163)

  - CVE-2015-8339, CVE-2015-8340: xen: XENMEM_exchange error     handling issues (XSA-159, boo#956408)

  - CVE-2015-8341: xen: libxl leak of pv kernel and initrd     on error (XSA-160, boo#956409)

  - CVE-2015-7504: xen: heap buffer overflow vulnerability     in pcnet emulator (XSA-162, boo#956411)

The remote host is affected by the vulnerability described in GLSA-201604-03 (Xen: Multiple vulnerabilities)

    Multiple vulnerabilities have been discovered in Xen. Please review the       CVE identifiers referenced below for details.
  Impact :

    A local attacker could possibly cause a Denial of Service condition or       obtain sensitive information.
  Workaround :

    There is no known workaround at this time.

ID	名稱	產品	系列	已發布	已更新	嚴重性
87590	SUSE SLED11 / SLES11 Security Update : xen (SUSE-SU-2015:2326-1)	Nessus	SuSE Local Security Checks	2015/12/22	2021/1/6	high
87591	SUSE SLED12 / SLES12 Security Update : xen (SUSE-SU-2015:2328-1)	Nessus	SuSE Local Security Checks	2015/12/22	2021/1/6	high
88125	openSUSE Security Update : xen (openSUSE-2016-35)	Nessus	SuSE Local Security Checks	2016/1/25	2021/1/19	high
90380	GLSA-201604-03 : Xen: Multiple vulnerabilities (Venom)	Nessus	Gentoo Local Security Checks	2016/4/7	2021/1/11	critical

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