SUSE-SU-2026:21517-1: important: Security update for the Linux Kernel RT (Live Patch 19 for SUSE Linux Enterprise Micro 6.0)

[SLE-SECURITY-UPDATES]

# Security update for the Linux Kernel RT (Live Patch 19 for SUSE Linux
Enterprise Micro 6.0)

Announcement ID: SUSE-SU-2026:21517-1  
Release Date: 2026-05-05T13:18:14Z  
Rating: important  
References:

  * bsc#1263689

  
Cross-References:

  * CVE-2026-31431

  
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 6.1

  
  
An update that solves one vulnerability can now be installed.

## Description:

This update for the SUSE Linux Enterprise Kernel 6.4.0-41.1 fixes one security
issue

The following security issue was fixed:

  * CVE-2026-31431: crypto: algif_aead - Revert to operating out-of-place
    (bsc#1263689).

## 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 6.1  
    zypper in -t patch SUSE-SLE-Micro-6.1-kernel-393=1

## Package List:

  * SUSE Linux Micro 6.1 (x86_64)
    * kernel-livepatch-6_4_0-41-rt-2-1.1
    * kernel-livepatch-MICRO-6-0-RT_Update_19-debugsource-2-1.1
    * kernel-livepatch-6_4_0-41-rt-debuginfo-2-1.1

## References:

  * https://www.suse.com/security/cve/CVE-2026-31431.html
  * https://bugzilla.suse.com/show_bug.cgi?id=1263689

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