SUSE Security Update: Security update for xen
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Announcement ID:    SUSE-SU-2020:3414-1
Rating:             important
References:         #1027519 #1177950 #1178591 SLE-16899 
Cross-References:   CVE-2020-28368
Affected Products:
                    SUSE Linux Enterprise Software Development Kit 12-SP5
                    SUSE Linux Enterprise Server 12-SP5
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   An update that solves one vulnerability, contains one
   feature and has two fixes is now available.

Description:

   This update for xen fixes the following issues:

   Security issue fixed:

   - CVE-2020-28368: Fixed the Intel RAPL sidechannel attack, aka PLATYPUS
     attack, aka XSA-351 (bsc#1178591).

   Non-security issues fixed:

   - Updated to Xen 4.12.4 bug fix release (bsc#1027519).
   - Fixed a panic during MSI cleanup on AMD hardware (bsc#1027519).
   - Adjusted help for --max_iters, default is 5 (bsc#1177950).
   - Improved performance of live migration to get more throughput on 10Gbs+
     connections (jsc#SLE-16899).


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-SP5:

      zypper in -t patch SUSE-SLE-SDK-12-SP5-2020-3414=1

   - SUSE Linux Enterprise Server 12-SP5:

      zypper in -t patch SUSE-SLE-SERVER-12-SP5-2020-3414=1



Package List:

   - SUSE Linux Enterprise Software Development Kit 12-SP5 (aarch64 x86_64):

      xen-debugsource-4.12.4_02-3.30.1
      xen-devel-4.12.4_02-3.30.1

   - SUSE Linux Enterprise Server 12-SP5 (x86_64):

      xen-4.12.4_02-3.30.1
      xen-debugsource-4.12.4_02-3.30.1
      xen-doc-html-4.12.4_02-3.30.1
      xen-libs-32bit-4.12.4_02-3.30.1
      xen-libs-4.12.4_02-3.30.1
      xen-libs-debuginfo-32bit-4.12.4_02-3.30.1
      xen-libs-debuginfo-4.12.4_02-3.30.1
      xen-tools-4.12.4_02-3.30.1
      xen-tools-debuginfo-4.12.4_02-3.30.1
      xen-tools-domU-4.12.4_02-3.30.1
      xen-tools-domU-debuginfo-4.12.4_02-3.30.1


References:

   https://www.suse.com/security/cve/CVE-2020-28368.html
   https://bugzilla.suse.com/1027519
   https://bugzilla.suse.com/1177950
   https://bugzilla.suse.com/1178591