Security update for xen

SUSE Security Update: Security update for xen
Announcement ID: SUSE-SU-2018:2059-1
Rating: moderate
References: #1027519 #1087289 #1095242 #1096224 #1097521 #1097522 #1097523
Affected Products:
  • SUSE Linux Enterprise Software Development Kit 12-SP3
  • SUSE Linux Enterprise Server 12-SP3
  • SUSE Linux Enterprise Desktop 12-SP3
  • SUSE CaaS Platform ALL

  • An update that solves 5 vulnerabilities and has two fixes is now available.

    Description:

    This update for xen fixes the following issues:

    Security issues fixed:

    - CVE-2018-3665: Fix Lazy FP Save/Restore issue (XSA-267) (bsc#1095242).
    - CVE-2018-12891: Fix possible Denial of Service (DoS) via certain PV MMU
    operations that affect the entire host (XSA-264) (bsc#1097521).
    - CVE-2018-12892: Fix libxl to honour the readonly flag on HVM emulated
    SCSI disks (XSA-266) (bsc#1097523).
    - CVE-2018-12893: Fix crash/Denial of Service (DoS) via safety check
    (XSA-265) (bsc#1097522).
    - CVE-2018-11806: Fix heap buffer overflow while reassembling fragmented
    datagrams (bsc#1096224).

    Bug fixes:

    - bsc#1027519: Add upstream patches from January.
    - bsc#1087289: Fix xen scheduler crash.

    Patch Instructions:

    To install this SUSE Security 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 Software Development Kit 12-SP3:
      zypper in -t patch SUSE-SLE-SDK-12-SP3-2018-1388=1
    • SUSE Linux Enterprise Server 12-SP3:
      zypper in -t patch SUSE-SLE-SERVER-12-SP3-2018-1388=1
    • SUSE Linux Enterprise Desktop 12-SP3:
      zypper in -t patch SUSE-SLE-DESKTOP-12-SP3-2018-1388=1
    • SUSE CaaS Platform ALL:
      To install this update, use the SUSE CaaS Platform Velum dashboard. It will inform you if it detects new updates and let you then trigger updating of the complete cluster in a controlled way.

    Package List:

    • SUSE Linux Enterprise Software Development Kit 12-SP3 (aarch64 x86_64):
      • xen-debugsource-4.9.2_08-3.35.2
      • xen-devel-4.9.2_08-3.35.2
    • SUSE Linux Enterprise Server 12-SP3 (x86_64):
      • xen-4.9.2_08-3.35.2
      • xen-debugsource-4.9.2_08-3.35.2
      • xen-doc-html-4.9.2_08-3.35.2
      • xen-libs-32bit-4.9.2_08-3.35.2
      • xen-libs-4.9.2_08-3.35.2
      • xen-libs-debuginfo-32bit-4.9.2_08-3.35.2
      • xen-libs-debuginfo-4.9.2_08-3.35.2
      • xen-tools-4.9.2_08-3.35.2
      • xen-tools-debuginfo-4.9.2_08-3.35.2
      • xen-tools-domU-4.9.2_08-3.35.2
      • xen-tools-domU-debuginfo-4.9.2_08-3.35.2
    • SUSE Linux Enterprise Desktop 12-SP3 (x86_64):
      • xen-4.9.2_08-3.35.2
      • xen-debugsource-4.9.2_08-3.35.2
      • xen-libs-32bit-4.9.2_08-3.35.2
      • xen-libs-4.9.2_08-3.35.2
      • xen-libs-debuginfo-32bit-4.9.2_08-3.35.2
      • xen-libs-debuginfo-4.9.2_08-3.35.2
    • SUSE CaaS Platform ALL (x86_64):
      • xen-debugsource-4.9.2_08-3.35.2
      • xen-libs-4.9.2_08-3.35.2
      • xen-libs-debuginfo-4.9.2_08-3.35.2
      • xen-tools-domU-4.9.2_08-3.35.2
      • xen-tools-domU-debuginfo-4.9.2_08-3.35.2

    References: