Security update for xen

Announcement ID: SUSE-SU-2023:0846-1
Rating: important
References:
Cross-References:
CVSS scores:
  • CVE-2022-42331 ( SUSE ): 5.6 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:N/A:N
  • CVE-2022-42331 ( NVD ): 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
  • CVE-2022-42332 ( SUSE ): 7.5 CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H
  • CVE-2022-42332 ( 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 12 SP2
  • SUSE Linux Enterprise Server 12 SP2
  • SUSE Linux Enterprise Server 12 SP2 BCL 12-SP2

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

Description:

This update for xen fixes the following issues:

  • CVE-2022-42332: Fixed use-after-free in x86 shadow plus log-dirty mode (bsc#1209017).
  • CVE-2022-42331: Fixed speculative vulnerability in 32bit SYSCALL path on x86 (bsc#1209019).

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 Server 12 SP2 BCL 12-SP2
    zypper in -t patch SUSE-SLE-SERVER-12-SP2-BCL-2023-846=1

Package List:

  • SUSE Linux Enterprise Server 12 SP2 BCL 12-SP2 (x86_64)
    • xen-tools-domU-4.7.6_32-43.104.1
    • xen-tools-domU-debuginfo-4.7.6_32-43.104.1
    • xen-4.7.6_32-43.104.1
    • xen-libs-debuginfo-4.7.6_32-43.104.1
    • xen-doc-html-4.7.6_32-43.104.1
    • xen-tools-4.7.6_32-43.104.1
    • xen-libs-32bit-4.7.6_32-43.104.1
    • xen-libs-4.7.6_32-43.104.1
    • xen-libs-debuginfo-32bit-4.7.6_32-43.104.1
    • xen-debugsource-4.7.6_32-43.104.1
    • xen-tools-debuginfo-4.7.6_32-43.104.1

References: