Security update for the Linux Kernel

Announcement ID: SUSE-SU-2026:1674-1
Release Date: 2026-05-02T07:19:12Z
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 Enterprise Micro 5.2
  • SUSE Linux Enterprise Micro for Rancher 5.2

An update that solves one vulnerability can now be installed.

Description:

The SUSE Linux Enterprise 15 SP3 RT kernel was updated to fix various security issues

The following security issues were 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 Enterprise Micro 5.2
    zypper in -t patch SUSE-SUSE-MicroOS-5.2-2026-1674=1
  • SUSE Linux Enterprise Micro for Rancher 5.2
    zypper in -t patch SUSE-SUSE-MicroOS-5.2-2026-1674=1

Package List:

  • SUSE Linux Enterprise Micro 5.2 (nosrc x86_64)
    • kernel-rt-5.3.18-150300.244.1
  • SUSE Linux Enterprise Micro 5.2 (x86_64)
    • kernel-rt-debuginfo-5.3.18-150300.244.1
    • kernel-rt-debugsource-5.3.18-150300.244.1
  • SUSE Linux Enterprise Micro 5.2 (noarch)
    • kernel-source-rt-5.3.18-150300.244.1
  • SUSE Linux Enterprise Micro for Rancher 5.2 (nosrc x86_64)
    • kernel-rt-5.3.18-150300.244.1
  • SUSE Linux Enterprise Micro for Rancher 5.2 (x86_64)
    • kernel-rt-debuginfo-5.3.18-150300.244.1
    • kernel-rt-debugsource-5.3.18-150300.244.1
  • SUSE Linux Enterprise Micro for Rancher 5.2 (noarch)
    • kernel-source-rt-5.3.18-150300.244.1

References: