Security update for xen

SUSE Security Update: Security update for xen
Announcement ID: SUSE-SU-2017:0983-1
Rating: important
References: #1014136 #1015348 #1022555 #1026236 #1027519 #1028235 #1029128 #1029827 #1030144 #1030442
Affected Products:
  • SUSE Linux Enterprise Software Development Kit 12-SP2
  • SUSE Linux Enterprise Server 12-SP2
  • SUSE Linux Enterprise Desktop 12-SP2

  • An update that solves two vulnerabilities and has 8 fixes is now available.


    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

    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
    - 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 Security Update use YaST online_update.
    Alternatively you can run the command listed for your product:

    • SUSE Linux Enterprise Software Development Kit 12-SP2:
      zypper in -t patch SUSE-SLE-SDK-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 Desktop 12-SP2:
      zypper in -t patch SUSE-SLE-DESKTOP-12-SP2-2017-572=1

    To bring your system up-to-date, use "zypper patch".

    Package List:

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