Security update for xen

SUSE Security Update: Security update for xen
Announcement ID: SUSE-SU-2018:2081-1
Rating: important
References: #1027519 #1087289 #1094725 #1095242 #1096224 #1097521 #1097522 #1097523
Affected Products:
  • SUSE OpenStack Cloud 7
  • SUSE Linux Enterprise Server for SAP 12-SP2
  • SUSE Linux Enterprise Server 12-SP2-LTSS
  • SUSE Enterprise Storage 4

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

    Description:

    This update for xen fixes the following issues:

    Security issues fixed:

    - CVE-2018-12891: Fix preemption checks bypass in x86 PV MM handling
    (XSA-264) (bsc#1097521).
    - CVE-2018-12892: Fix libxl failure to honour readonly flag on HVM
    emulated SCSI disks (XSA-266) (bsc#1097523).
    - CVE-2018-12893: Fix #DB exception safety check that could be triggered
    by a guest (XSA-265) (bsc#1097522).
    - CVE-2018-11806: Fix heap buffer overflow while reassembling fragmented
    datagrams (bsc#1096224).
    - CVE-2018-3665: Fix lazy FP Save/Restore (XSA-267) (bsc#1095242).

    Bug fixes:

    - bsc#1027519: Update to Xen 4.7.6 bug fix only release.
    - bsc#1087289: Xen BUG at sched_credit.c:1663.
    - bsc#1094725: `virsh blockresize` does not work with Xen qdisks.

    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 OpenStack Cloud 7:
      zypper in -t patch SUSE-OpenStack-Cloud-7-2018-1414=1
    • SUSE Linux Enterprise Server for SAP 12-SP2:
      zypper in -t patch SUSE-SLE-SAP-12-SP2-2018-1414=1
    • SUSE Linux Enterprise Server 12-SP2-LTSS:
      zypper in -t patch SUSE-SLE-SERVER-12-SP2-2018-1414=1
    • SUSE Enterprise Storage 4:
      zypper in -t patch SUSE-Storage-4-2018-1414=1

    Package List:

    • SUSE OpenStack Cloud 7 (x86_64):
      • xen-4.7.6_02-43.36.1
      • xen-debugsource-4.7.6_02-43.36.1
      • xen-doc-html-4.7.6_02-43.36.1
      • xen-libs-32bit-4.7.6_02-43.36.1
      • xen-libs-4.7.6_02-43.36.1
      • xen-libs-debuginfo-32bit-4.7.6_02-43.36.1
      • xen-libs-debuginfo-4.7.6_02-43.36.1
      • xen-tools-4.7.6_02-43.36.1
      • xen-tools-debuginfo-4.7.6_02-43.36.1
      • xen-tools-domU-4.7.6_02-43.36.1
      • xen-tools-domU-debuginfo-4.7.6_02-43.36.1
    • SUSE Linux Enterprise Server for SAP 12-SP2 (x86_64):
      • xen-4.7.6_02-43.36.1
      • xen-debugsource-4.7.6_02-43.36.1
      • xen-doc-html-4.7.6_02-43.36.1
      • xen-libs-32bit-4.7.6_02-43.36.1
      • xen-libs-4.7.6_02-43.36.1
      • xen-libs-debuginfo-32bit-4.7.6_02-43.36.1
      • xen-libs-debuginfo-4.7.6_02-43.36.1
      • xen-tools-4.7.6_02-43.36.1
      • xen-tools-debuginfo-4.7.6_02-43.36.1
      • xen-tools-domU-4.7.6_02-43.36.1
      • xen-tools-domU-debuginfo-4.7.6_02-43.36.1
    • SUSE Linux Enterprise Server 12-SP2-LTSS (x86_64):
      • xen-4.7.6_02-43.36.1
      • xen-debugsource-4.7.6_02-43.36.1
      • xen-doc-html-4.7.6_02-43.36.1
      • xen-libs-32bit-4.7.6_02-43.36.1
      • xen-libs-4.7.6_02-43.36.1
      • xen-libs-debuginfo-32bit-4.7.6_02-43.36.1
      • xen-libs-debuginfo-4.7.6_02-43.36.1
      • xen-tools-4.7.6_02-43.36.1
      • xen-tools-debuginfo-4.7.6_02-43.36.1
      • xen-tools-domU-4.7.6_02-43.36.1
      • xen-tools-domU-debuginfo-4.7.6_02-43.36.1
    • SUSE Enterprise Storage 4 (x86_64):
      • xen-4.7.6_02-43.36.1
      • xen-debugsource-4.7.6_02-43.36.1
      • xen-doc-html-4.7.6_02-43.36.1
      • xen-libs-32bit-4.7.6_02-43.36.1
      • xen-libs-4.7.6_02-43.36.1
      • xen-libs-debuginfo-32bit-4.7.6_02-43.36.1
      • xen-libs-debuginfo-4.7.6_02-43.36.1
      • xen-tools-4.7.6_02-43.36.1
      • xen-tools-debuginfo-4.7.6_02-43.36.1
      • xen-tools-domU-4.7.6_02-43.36.1
      • xen-tools-domU-debuginfo-4.7.6_02-43.36.1

    References: