SUSE-SU-2019:1371-1: important: Security update for xen

Tue May 28 13:09:38 MDT 2019

   SUSE Security Update: Security update for xen
______________________________________________________________________________

Announcement ID:    SUSE-SU-2019:1371-1
Rating:             important
References:         #1027519 #1111331 #1116380 #1130680 #1133818 

Cross-References:   CVE-2018-12126 CVE-2018-12127 CVE-2018-12130
                    CVE-2018-20815 CVE-2019-11091
Affected Products:
                    SUSE OpenStack Cloud 7
                    SUSE Linux Enterprise Server for SAP 12-SP2
                    SUSE Linux Enterprise Server 12-SP2-LTSS
                    SUSE Linux Enterprise Server 12-SP2-BCL
                    SUSE Enterprise Storage 4
______________________________________________________________________________

   An update that fixes 5 vulnerabilities is now available.

Description:

   This update for xen fixes the following issues:

   Four new speculative execution information leak issues have been
   identified in Intel CPUs. (bsc#1111331)

   - CVE-2018-12126: Microarchitectural Store Buffer Data Sampling (MSBDS)
   - CVE-2018-12127: Microarchitectural Fill Buffer Data Sampling (MFBDS)
   - CVE-2018-12130: Microarchitectural Load Port Data Sampling (MLPDS)
   - CVE-2019-11091: Microarchitectural Data Sampling Uncacheable Memory
     (MDSUM)

   These updates contain the XEN Hypervisor adjustments, that additionally
   also use CPU Microcode updates.

   The mitigation can be controlled via the "mds" commandline option, see the
   documentation.

   For more information on this set of vulnerabilities, check out
   https://www.suse.com/support/kb/doc/?id=7023736

   Other fixes:

   - CVE-2018-20815: Fixed a heap buffer overflow while loading device tree
     blob (bsc#1130680).
   - Fixed an issue with live migration when spectre is enabled on xen boot
     cmdline (bsc#1116380).
   - Fixed an issue with live migration (bsc#1133818).
   - Added upstream bug fix (bsc#1027519).

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-7-2019-1371=1

   - SUSE Linux Enterprise Server for SAP 12-SP2:

      zypper in -t patch SUSE-SLE-SAP-12-SP2-2019-1371=1

   - SUSE Linux Enterprise Server 12-SP2-LTSS:

      zypper in -t patch SUSE-SLE-SERVER-12-SP2-2019-1371=1

   - SUSE Linux Enterprise Server 12-SP2-BCL:

      zypper in -t patch SUSE-SLE-SERVER-12-SP2-BCL-2019-1371=1

   - SUSE Enterprise Storage 4:

      zypper in -t patch SUSE-Storage-4-2019-1371=1

Package List:

   - SUSE OpenStack Cloud 7 (x86_64):

      xen-4.7.6_06-43.51.1
      xen-debugsource-4.7.6_06-43.51.1
      xen-doc-html-4.7.6_06-43.51.1
      xen-libs-32bit-4.7.6_06-43.51.1
      xen-libs-4.7.6_06-43.51.1
      xen-libs-debuginfo-32bit-4.7.6_06-43.51.1
      xen-libs-debuginfo-4.7.6_06-43.51.1
      xen-tools-4.7.6_06-43.51.1
      xen-tools-debuginfo-4.7.6_06-43.51.1
      xen-tools-domU-4.7.6_06-43.51.1
      xen-tools-domU-debuginfo-4.7.6_06-43.51.1

   - SUSE Linux Enterprise Server for SAP 12-SP2 (x86_64):

      xen-4.7.6_06-43.51.1
      xen-debugsource-4.7.6_06-43.51.1
      xen-doc-html-4.7.6_06-43.51.1
      xen-libs-32bit-4.7.6_06-43.51.1
      xen-libs-4.7.6_06-43.51.1
      xen-libs-debuginfo-32bit-4.7.6_06-43.51.1
      xen-libs-debuginfo-4.7.6_06-43.51.1
      xen-tools-4.7.6_06-43.51.1
      xen-tools-debuginfo-4.7.6_06-43.51.1
      xen-tools-domU-4.7.6_06-43.51.1
      xen-tools-domU-debuginfo-4.7.6_06-43.51.1

   - SUSE Linux Enterprise Server 12-SP2-LTSS (x86_64):

      xen-4.7.6_06-43.51.1
      xen-debugsource-4.7.6_06-43.51.1
      xen-doc-html-4.7.6_06-43.51.1
      xen-libs-32bit-4.7.6_06-43.51.1
      xen-libs-4.7.6_06-43.51.1
      xen-libs-debuginfo-32bit-4.7.6_06-43.51.1
      xen-libs-debuginfo-4.7.6_06-43.51.1
      xen-tools-4.7.6_06-43.51.1
      xen-tools-debuginfo-4.7.6_06-43.51.1
      xen-tools-domU-4.7.6_06-43.51.1
      xen-tools-domU-debuginfo-4.7.6_06-43.51.1

   - SUSE Linux Enterprise Server 12-SP2-BCL (x86_64):

      xen-4.7.6_06-43.51.1
      xen-debugsource-4.7.6_06-43.51.1
      xen-doc-html-4.7.6_06-43.51.1
      xen-libs-32bit-4.7.6_06-43.51.1
      xen-libs-4.7.6_06-43.51.1
      xen-libs-debuginfo-32bit-4.7.6_06-43.51.1
      xen-libs-debuginfo-4.7.6_06-43.51.1
      xen-tools-4.7.6_06-43.51.1
      xen-tools-debuginfo-4.7.6_06-43.51.1
      xen-tools-domU-4.7.6_06-43.51.1
      xen-tools-domU-debuginfo-4.7.6_06-43.51.1

   - SUSE Enterprise Storage 4 (x86_64):

      xen-4.7.6_06-43.51.1
      xen-debugsource-4.7.6_06-43.51.1
      xen-doc-html-4.7.6_06-43.51.1
      xen-libs-32bit-4.7.6_06-43.51.1
      xen-libs-4.7.6_06-43.51.1
      xen-libs-debuginfo-32bit-4.7.6_06-43.51.1
      xen-libs-debuginfo-4.7.6_06-43.51.1
      xen-tools-4.7.6_06-43.51.1
      xen-tools-debuginfo-4.7.6_06-43.51.1
      xen-tools-domU-4.7.6_06-43.51.1
      xen-tools-domU-debuginfo-4.7.6_06-43.51.1

References:

   https://www.suse.com/security/cve/CVE-2018-12126.html
   https://www.suse.com/security/cve/CVE-2018-12127.html
   https://www.suse.com/security/cve/CVE-2018-12130.html
   https://www.suse.com/security/cve/CVE-2018-20815.html
   https://www.suse.com/security/cve/CVE-2019-11091.html
   https://bugzilla.suse.com/1027519
   https://bugzilla.suse.com/1111331
   https://bugzilla.suse.com/1116380
   https://bugzilla.suse.com/1130680
   https://bugzilla.suse.com/1133818