Security update for xen

Announcement ID: SUSE-SU-2021:1250-1
Rating: important
References:
Cross-References:
CVSS scores:
  • 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
  • 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
Affected Products:
  • SUSE Linux Enterprise High Performance Computing 15
  • SUSE Linux Enterprise High Performance Computing 15 LTSS 15
  • SUSE Linux Enterprise Server 15
  • SUSE Linux Enterprise Server 15 LTSS 15
  • SUSE Linux Enterprise Server ESPOS 15
  • SUSE Linux Enterprise Server for SAP Applications 15

An update that solves one vulnerability and has one security fix can now be installed.

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 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 ESPOS 15
    zypper in -t patch SUSE-SLE-Product-HPC-15-2021-1250=1
  • SUSE Linux Enterprise High Performance Computing 15 LTSS 15
    zypper in -t patch SUSE-SLE-Product-HPC-15-2021-1250=1
  • SUSE Linux Enterprise Server 15 LTSS 15
    zypper in -t patch SUSE-SLE-Product-SLES-15-2021-1250=1
  • SUSE Linux Enterprise Server for SAP Applications 15
    zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-2021-1250=1

Package List:

  • SUSE Linux Enterprise Server ESPOS 15 (x86_64)
    • xen-devel-4.10.4_24-3.56.1
    • xen-tools-debuginfo-4.10.4_24-3.56.1
    • xen-debugsource-4.10.4_24-3.56.1
    • xen-tools-4.10.4_24-3.56.1
    • xen-tools-domU-4.10.4_24-3.56.1
    • xen-libs-debuginfo-4.10.4_24-3.56.1
    • xen-tools-domU-debuginfo-4.10.4_24-3.56.1
    • xen-4.10.4_24-3.56.1
    • xen-libs-4.10.4_24-3.56.1
  • SUSE Linux Enterprise High Performance Computing 15 LTSS 15 (x86_64)
    • xen-devel-4.10.4_24-3.56.1
    • xen-tools-debuginfo-4.10.4_24-3.56.1
    • xen-debugsource-4.10.4_24-3.56.1
    • xen-tools-4.10.4_24-3.56.1
    • xen-tools-domU-4.10.4_24-3.56.1
    • xen-libs-debuginfo-4.10.4_24-3.56.1
    • xen-tools-domU-debuginfo-4.10.4_24-3.56.1
    • xen-4.10.4_24-3.56.1
    • xen-libs-4.10.4_24-3.56.1
  • SUSE Linux Enterprise Server 15 LTSS 15 (x86_64)
    • xen-devel-4.10.4_24-3.56.1
    • xen-tools-debuginfo-4.10.4_24-3.56.1
    • xen-debugsource-4.10.4_24-3.56.1
    • xen-tools-4.10.4_24-3.56.1
    • xen-tools-domU-4.10.4_24-3.56.1
    • xen-libs-debuginfo-4.10.4_24-3.56.1
    • xen-tools-domU-debuginfo-4.10.4_24-3.56.1
    • xen-4.10.4_24-3.56.1
    • xen-libs-4.10.4_24-3.56.1
  • SUSE Linux Enterprise Server for SAP Applications 15 (x86_64)
    • xen-devel-4.10.4_24-3.56.1
    • xen-tools-debuginfo-4.10.4_24-3.56.1
    • xen-debugsource-4.10.4_24-3.56.1
    • xen-tools-4.10.4_24-3.56.1
    • xen-tools-domU-4.10.4_24-3.56.1
    • xen-libs-debuginfo-4.10.4_24-3.56.1
    • xen-tools-domU-debuginfo-4.10.4_24-3.56.1
    • xen-4.10.4_24-3.56.1
    • xen-libs-4.10.4_24-3.56.1

References: