Security update for the Linux Kernel

Announcement ID: SUSE-SU-2026:1675-1
Release Date: 2026-05-02T07:19:20Z
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 5.3
  • SUSE Linux Enterprise Micro 5.4
  • SUSE Linux Enterprise Micro for Rancher 5.3
  • SUSE Linux Enterprise Micro for Rancher 5.4

An update that solves one vulnerability can now be installed.

Description:

The SUSE Linux Enterprise 15 SP4 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 for Rancher 5.3
    zypper in -t patch SUSE-SLE-Micro-5.3-2026-1675=1
  • SUSE Linux Enterprise Micro 5.3
    zypper in -t patch SUSE-SLE-Micro-5.3-2026-1675=1
  • SUSE Linux Enterprise Micro for Rancher 5.4
    zypper in -t patch SUSE-SLE-Micro-5.4-2026-1675=1
  • SUSE Linux Enterprise Micro 5.4
    zypper in -t patch SUSE-SLE-Micro-5.4-2026-1675=1

Package List:

  • SUSE Linux Enterprise Micro for Rancher 5.3 (nosrc x86_64)
    • kernel-rt-5.14.21-150400.15.151.1
  • SUSE Linux Enterprise Micro for Rancher 5.3 (x86_64)
    • kernel-rt-debuginfo-5.14.21-150400.15.151.1
    • kernel-rt-debugsource-5.14.21-150400.15.151.1
  • SUSE Linux Enterprise Micro for Rancher 5.3 (noarch)
    • kernel-source-rt-5.14.21-150400.15.151.1
  • SUSE Linux Enterprise Micro 5.3 (nosrc x86_64)
    • kernel-rt-5.14.21-150400.15.151.1
  • SUSE Linux Enterprise Micro 5.3 (x86_64)
    • kernel-rt-debuginfo-5.14.21-150400.15.151.1
    • kernel-rt-debugsource-5.14.21-150400.15.151.1
  • SUSE Linux Enterprise Micro 5.3 (noarch)
    • kernel-source-rt-5.14.21-150400.15.151.1
  • SUSE Linux Enterprise Micro for Rancher 5.4 (nosrc x86_64)
    • kernel-rt-5.14.21-150400.15.151.1
  • SUSE Linux Enterprise Micro for Rancher 5.4 (x86_64)
    • kernel-rt-debuginfo-5.14.21-150400.15.151.1
    • kernel-rt-debugsource-5.14.21-150400.15.151.1
  • SUSE Linux Enterprise Micro for Rancher 5.4 (noarch)
    • kernel-source-rt-5.14.21-150400.15.151.1
  • SUSE Linux Enterprise Micro 5.4 (nosrc x86_64)
    • kernel-rt-5.14.21-150400.15.151.1
  • SUSE Linux Enterprise Micro 5.4 (x86_64)
    • kernel-rt-debuginfo-5.14.21-150400.15.151.1
    • kernel-rt-debugsource-5.14.21-150400.15.151.1
  • SUSE Linux Enterprise Micro 5.4 (noarch)
    • kernel-source-rt-5.14.21-150400.15.151.1

References: