Security update for the Linux Kernel

Announcement ID: SUSE-SU-2026:21442-1
Release Date: 2026-05-01T21:55:29Z
Rating: important
References:
Cross-References:
CVSS scores:
  • CVE-2026-31431 ( SUSE ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
  • CVE-2026-31431 ( 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 Micro 6.0

An update that solves one vulnerability can now be installed.

Description:

The SUSE Linux Enterprise Micro 6.0 and Micro 6.1 kernel was updated to fix one security issue

The following security issue was fixed:

  • CVE-2026-31431: The copy.fail security issue is fixed by revert to operating out-of-place in algif_aead (bsc#1262573).

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 Micro 6.0
    zypper in -t patch SUSE-SLE-Micro-6.0-kernel-368=1

Package List:

  • SUSE Linux Micro 6.0 (aarch64 x86_64)
    • kernel-default-base-6.4.0-42.1.21.19
  • SUSE Linux Micro 6.0 (noarch)
    • kernel-macros-6.4.0-42.1
    • kernel-devel-6.4.0-42.1
    • kernel-source-6.4.0-42.1
  • SUSE Linux Micro 6.0 (aarch64 nosrc s390x x86_64)
    • kernel-default-6.4.0-42.1
  • SUSE Linux Micro 6.0 (aarch64 s390x x86_64)
    • kernel-default-debugsource-6.4.0-42.1
    • kernel-default-debuginfo-6.4.0-42.1
  • SUSE Linux Micro 6.0 (s390x x86_64)
    • kernel-default-livepatch-6.4.0-42.1
  • SUSE Linux Micro 6.0 (nosrc x86_64)
    • kernel-kvmsmall-6.4.0-42.1
  • SUSE Linux Micro 6.0 (x86_64)
    • kernel-kvmsmall-debugsource-6.4.0-42.1
    • kernel-kvmsmall-debuginfo-6.4.0-42.1

References: