Security update for xen

Announcement ID: SUSE-SU-2017:0983-1
Rating: important
References:
Cross-References:
CVSS scores:
  • CVE-2017-6505 ( NVD ): 6.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H
  • CVE-2017-6505 ( NVD ): 6.5 CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H
  • CVE-2017-7228 ( NVD ): 8.2 CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
Affected Products:
  • SUSE Linux Enterprise Desktop 12 SP2
  • SUSE Linux Enterprise High Performance Computing 12 SP2
  • SUSE Linux Enterprise Server 12 SP2
  • SUSE Linux Enterprise Server for SAP Applications 12 SP2
  • SUSE Linux Enterprise Software Development Kit 12 12-SP2

An update that solves two vulnerabilities and has eight security fixes can now be installed.

Description:

This update for xen to version 4.7.2 fixes the following issues:

These security issues were fixed:

  • CVE-2017-7228: Broken check in memory_exchange() permited PV guest breakout (bsc#1030442).
  • XSA-206: Unprivileged guests issuing writes to xenstore were able to stall progress of the control domain or driver domain, possibly leading to a Denial of Service (DoS) of the entire host (bsc#1030144).
  • CVE-2017-6505: The ohci_service_ed_list function in hw/usb/hcd-ohci.c allowed local guest OS users to cause a denial of service (infinite loop) via vectors involving the number of link endpoint list descriptors (bsc#1028235).

These non-security issues were fixed:

  • bsc#1015348: libvirtd didn't not start during boot
  • bsc#1014136: kdump couldn't dump a kernel on SLES12-SP2 with Xen hypervisor.
  • bsc#1026236: Fixed paravirtualized performance
  • bsc#1022555: Timeout in "execution of /etc/xen/scripts/block add"
  • bsc#1029827: Forward port xenstored
  • bsc#1029128: Make xen to really produce xen.efi with gcc48

Patch Instructions:

To install this SUSE update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Alternatively you can run the command listed for your product:

  • SUSE Linux Enterprise Desktop 12 SP2
    zypper in -t patch SUSE-SLE-DESKTOP-12-SP2-2017-572=1
  • SUSE Linux Enterprise Software Development Kit 12 12-SP2
    zypper in -t patch SUSE-SLE-SDK-12-SP2-2017-572=1
  • SUSE Linux Enterprise High Performance Computing 12 SP2
    zypper in -t patch SUSE-SLE-SERVER-12-SP2-2017-572=1
  • SUSE Linux Enterprise Server 12 SP2
    zypper in -t patch SUSE-SLE-SERVER-12-SP2-2017-572=1
  • SUSE Linux Enterprise Server for SAP Applications 12 SP2
    zypper in -t patch SUSE-SLE-SERVER-12-SP2-2017-572=1

Package List:

  • SUSE Linux Enterprise Desktop 12 SP2 (x86_64)
    • xen-libs-debuginfo-4.7.2_02-36.1
    • xen-debugsource-4.7.2_02-36.1
    • xen-libs-32bit-4.7.2_02-36.1
    • xen-libs-debuginfo-32bit-4.7.2_02-36.1
    • xen-libs-4.7.2_02-36.1
    • xen-4.7.2_02-36.1
  • SUSE Linux Enterprise Software Development Kit 12 12-SP2 (aarch64 x86_64)
    • xen-debugsource-4.7.2_02-36.1
    • xen-devel-4.7.2_02-36.1
  • SUSE Linux Enterprise High Performance Computing 12 SP2 (x86_64)
    • xen-tools-4.7.2_02-36.1
    • xen-libs-debuginfo-4.7.2_02-36.1
    • xen-debugsource-4.7.2_02-36.1
    • xen-tools-debuginfo-4.7.2_02-36.1
    • xen-tools-domU-4.7.2_02-36.1
    • xen-libs-32bit-4.7.2_02-36.1
    • xen-tools-domU-debuginfo-4.7.2_02-36.1
    • xen-doc-html-4.7.2_02-36.1
    • xen-libs-debuginfo-32bit-4.7.2_02-36.1
    • xen-libs-4.7.2_02-36.1
    • xen-4.7.2_02-36.1
  • SUSE Linux Enterprise Server 12 SP2 (x86_64)
    • xen-tools-4.7.2_02-36.1
    • xen-libs-debuginfo-4.7.2_02-36.1
    • xen-debugsource-4.7.2_02-36.1
    • xen-tools-debuginfo-4.7.2_02-36.1
    • xen-tools-domU-4.7.2_02-36.1
    • xen-libs-32bit-4.7.2_02-36.1
    • xen-tools-domU-debuginfo-4.7.2_02-36.1
    • xen-doc-html-4.7.2_02-36.1
    • xen-libs-debuginfo-32bit-4.7.2_02-36.1
    • xen-libs-4.7.2_02-36.1
    • xen-4.7.2_02-36.1
  • SUSE Linux Enterprise Server for SAP Applications 12 SP2 (x86_64)
    • xen-tools-4.7.2_02-36.1
    • xen-libs-debuginfo-4.7.2_02-36.1
    • xen-debugsource-4.7.2_02-36.1
    • xen-tools-debuginfo-4.7.2_02-36.1
    • xen-tools-domU-4.7.2_02-36.1
    • xen-libs-32bit-4.7.2_02-36.1
    • xen-tools-domU-debuginfo-4.7.2_02-36.1
    • xen-doc-html-4.7.2_02-36.1
    • xen-libs-debuginfo-32bit-4.7.2_02-36.1
    • xen-libs-4.7.2_02-36.1
    • xen-4.7.2_02-36.1

References: