SUSE-SU-2021:1250-1: important: Security update for xen

sle-security-updates at lists.suse.com sle-security-updates at lists.suse.com
Mon Apr 19 10:15:24 UTC 2021


   SUSE Security Update: Security update for xen
______________________________________________________________________________

Announcement ID:    SUSE-SU-2021:1250-1
Rating:             important
References:         #1178591 #1182431 
Cross-References:   CVE-2021-27379
CVSS scores:
                    CVE-2021-27379 (NVD) : 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
                    CVE-2021-27379 (SUSE): 7.9 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:H

Affected Products:
                    SUSE Linux Enterprise Server for SAP 15
                    SUSE Linux Enterprise High Performance Computing 15-LTSS
                    SUSE Linux Enterprise High Performance Computing 15-ESPOS
______________________________________________________________________________

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

Description:

   This update for xen fixes the following issues:

   - CVE-2021-27379: Fixed an issue where entries in the IOMMU were not being
     updated under certain circumstances due to improper backport of XSA-321
     (XSA-366, bsc#1182431)


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 Server for SAP 15:

      zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-2021-1250=1

   - SUSE Linux Enterprise High Performance Computing 15-LTSS:

      zypper in -t patch SUSE-SLE-Product-HPC-15-2021-1250=1

   - SUSE Linux Enterprise High Performance Computing 15-ESPOS:

      zypper in -t patch SUSE-SLE-Product-HPC-15-2021-1250=1



Package List:

   - SUSE Linux Enterprise Server for SAP 15 (x86_64):

      xen-4.10.4_24-3.56.1
      xen-debugsource-4.10.4_24-3.56.1
      xen-devel-4.10.4_24-3.56.1
      xen-libs-4.10.4_24-3.56.1
      xen-libs-debuginfo-4.10.4_24-3.56.1
      xen-tools-4.10.4_24-3.56.1
      xen-tools-debuginfo-4.10.4_24-3.56.1
      xen-tools-domU-4.10.4_24-3.56.1
      xen-tools-domU-debuginfo-4.10.4_24-3.56.1

   - SUSE Linux Enterprise High Performance Computing 15-LTSS (x86_64):

      xen-4.10.4_24-3.56.1
      xen-debugsource-4.10.4_24-3.56.1
      xen-devel-4.10.4_24-3.56.1
      xen-libs-4.10.4_24-3.56.1
      xen-libs-debuginfo-4.10.4_24-3.56.1
      xen-tools-4.10.4_24-3.56.1
      xen-tools-debuginfo-4.10.4_24-3.56.1
      xen-tools-domU-4.10.4_24-3.56.1
      xen-tools-domU-debuginfo-4.10.4_24-3.56.1

   - SUSE Linux Enterprise High Performance Computing 15-ESPOS (x86_64):

      xen-4.10.4_24-3.56.1
      xen-debugsource-4.10.4_24-3.56.1
      xen-devel-4.10.4_24-3.56.1
      xen-libs-4.10.4_24-3.56.1
      xen-libs-debuginfo-4.10.4_24-3.56.1
      xen-tools-4.10.4_24-3.56.1
      xen-tools-debuginfo-4.10.4_24-3.56.1
      xen-tools-domU-4.10.4_24-3.56.1
      xen-tools-domU-debuginfo-4.10.4_24-3.56.1


References:

   https://www.suse.com/security/cve/CVE-2021-27379.html
   https://bugzilla.suse.com/1178591
   https://bugzilla.suse.com/1182431



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