SUSE Security Update: Security update for xen
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Announcement ID:    SUSE-SU-2020:1632-1
Rating:             important
References:         #1027519 #1172205 
Cross-References:   CVE-2020-0543
Affected Products:
                    SUSE Linux Enterprise Software Development Kit 12-SP4
                    SUSE Linux Enterprise Server 12-SP4
______________________________________________________________________________

   An update that solves one vulnerability and has one errata
   is now available.

Description:

   This update for xen to version 4.11.4 fixes the following issues:

   - CVE-2020-0543: Fixed a side channel attack against special registers     which could have resulted in leaking of read values to cores other than
     the one which called it. This attack is known as Special Register Buffer
     Data Sampling (SRBDS) or "CrossTalk" (bsc#1172205).


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-SP4:

      zypper in -t patch SUSE-SLE-SDK-12-SP4-2020-1632=1

   - SUSE Linux Enterprise Server 12-SP4:

      zypper in -t patch SUSE-SLE-SERVER-12-SP4-2020-1632=1



Package List:

   - SUSE Linux Enterprise Software Development Kit 12-SP4 (aarch64 x86_64):

      xen-debugsource-4.11.4_02-2.26.1
      xen-devel-4.11.4_02-2.26.1

   - SUSE Linux Enterprise Server 12-SP4 (x86_64):

      xen-4.11.4_02-2.26.1
      xen-debugsource-4.11.4_02-2.26.1
      xen-doc-html-4.11.4_02-2.26.1
      xen-libs-32bit-4.11.4_02-2.26.1
      xen-libs-4.11.4_02-2.26.1
      xen-libs-debuginfo-32bit-4.11.4_02-2.26.1
      xen-libs-debuginfo-4.11.4_02-2.26.1
      xen-tools-4.11.4_02-2.26.1
      xen-tools-debuginfo-4.11.4_02-2.26.1
      xen-tools-domU-4.11.4_02-2.26.1
      xen-tools-domU-debuginfo-4.11.4_02-2.26.1


References:

   https://www.suse.com/security/cve/CVE-2020-0543.html
   https://bugzilla.suse.com/1027519
   https://bugzilla.suse.com/1172205

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