SUSE-SU-2018:2081-1: important: Security update for xen

sle-security-updates at lists.suse.com sle-security-updates at lists.suse.com
Fri Jul 27 10:07:58 MDT 2018


   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 
Cross-References:   CVE-2018-11806 CVE-2018-12891 CVE-2018-12892
                    CVE-2018-12893 CVE-2018-3665
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:

   https://www.suse.com/security/cve/CVE-2018-11806.html
   https://www.suse.com/security/cve/CVE-2018-12891.html
   https://www.suse.com/security/cve/CVE-2018-12892.html
   https://www.suse.com/security/cve/CVE-2018-12893.html
   https://www.suse.com/security/cve/CVE-2018-3665.html
   https://bugzilla.suse.com/1027519
   https://bugzilla.suse.com/1087289
   https://bugzilla.suse.com/1094725
   https://bugzilla.suse.com/1095242
   https://bugzilla.suse.com/1096224
   https://bugzilla.suse.com/1097521
   https://bugzilla.suse.com/1097522
   https://bugzilla.suse.com/1097523



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