Security update for xen

Announcement ID: SUSE-SU-2022:0939-1
Rating: important
References:
Cross-References:
CVSS scores:
  • CVE-2021-26401 ( SUSE ): 5.6 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:N/A:N
  • CVE-2021-26401 ( NVD ): 5.6 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:N/A:N
  • CVE-2022-0001 ( SUSE ): 5.6 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:N/A:N
  • CVE-2022-0001 ( NVD ): 6.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N
  • CVE-2022-0002 ( SUSE ): 5.6 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:N/A:N
  • CVE-2022-0002 ( NVD ): 6.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N
Affected Products:
  • SUSE Linux Enterprise High Performance Computing 12 SP5
  • SUSE Linux Enterprise Server 12 SP5
  • SUSE Linux Enterprise Server for SAP Applications 12 SP5
  • SUSE Linux Enterprise Software Development Kit 12 SP5

An update that solves three vulnerabilities can now be installed.

Description:

This update for xen fixes the following issues:

Transient execution side-channel attacks attacking the Branch History Buffer (BHB), named "Branch Target Injection" and "Intra-Mode Branch History Injection" are now mitigated.

  • CVE-2022-0001, CVE-2022-0002, CVE-2021-26401: BHB speculation issues (bsc#1196915).

Special Instructions and Notes:

  • Please reboot the system after installing this update.

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 Software Development Kit 12 SP5
    zypper in -t patch SUSE-SLE-SDK-12-SP5-2022-939=1
  • SUSE Linux Enterprise Server for SAP Applications 12 SP5
    zypper in -t patch SUSE-SLE-SERVER-12-SP5-2022-939=1
  • SUSE Linux Enterprise High Performance Computing 12 SP5
    zypper in -t patch SUSE-SLE-SERVER-12-SP5-2022-939=1
  • SUSE Linux Enterprise Server 12 SP5
    zypper in -t patch SUSE-SLE-SERVER-12-SP5-2022-939=1

Package List:

  • SUSE Linux Enterprise Software Development Kit 12 SP5 (aarch64 x86_64)
    • xen-debugsource-4.12.4_20-3.61.1
    • xen-devel-4.12.4_20-3.61.1
  • SUSE Linux Enterprise Server for SAP Applications 12 SP5 (x86_64)
    • xen-debugsource-4.12.4_20-3.61.1
    • xen-doc-html-4.12.4_20-3.61.1
    • xen-libs-debuginfo-4.12.4_20-3.61.1
    • xen-libs-32bit-4.12.4_20-3.61.1
    • xen-tools-debuginfo-4.12.4_20-3.61.1
    • xen-libs-4.12.4_20-3.61.1
    • xen-tools-4.12.4_20-3.61.1
    • xen-tools-domU-debuginfo-4.12.4_20-3.61.1
    • xen-4.12.4_20-3.61.1
    • xen-tools-domU-4.12.4_20-3.61.1
    • xen-libs-debuginfo-32bit-4.12.4_20-3.61.1
  • SUSE Linux Enterprise High Performance Computing 12 SP5 (x86_64)
    • xen-debugsource-4.12.4_20-3.61.1
    • xen-doc-html-4.12.4_20-3.61.1
    • xen-libs-debuginfo-4.12.4_20-3.61.1
    • xen-libs-32bit-4.12.4_20-3.61.1
    • xen-tools-debuginfo-4.12.4_20-3.61.1
    • xen-libs-4.12.4_20-3.61.1
    • xen-tools-4.12.4_20-3.61.1
    • xen-tools-domU-debuginfo-4.12.4_20-3.61.1
    • xen-4.12.4_20-3.61.1
    • xen-tools-domU-4.12.4_20-3.61.1
    • xen-libs-debuginfo-32bit-4.12.4_20-3.61.1
  • SUSE Linux Enterprise Server 12 SP5 (x86_64)
    • xen-debugsource-4.12.4_20-3.61.1
    • xen-doc-html-4.12.4_20-3.61.1
    • xen-libs-debuginfo-4.12.4_20-3.61.1
    • xen-libs-32bit-4.12.4_20-3.61.1
    • xen-tools-debuginfo-4.12.4_20-3.61.1
    • xen-libs-4.12.4_20-3.61.1
    • xen-tools-4.12.4_20-3.61.1
    • xen-tools-domU-debuginfo-4.12.4_20-3.61.1
    • xen-4.12.4_20-3.61.1
    • xen-tools-domU-4.12.4_20-3.61.1
    • xen-libs-debuginfo-32bit-4.12.4_20-3.61.1

References: