SUSE-SU-2025:02405-1: important: Security update for the Linux Kernel RT (Live Patch 9 for SLE 15 SP6)

[SLE-UPDATES]

# Security update for the Linux Kernel RT (Live Patch 9 for SLE 15 SP6)

Announcement ID: SUSE-SU-2025:02405-1  
Release Date: 2025-07-21T07:07:13Z  
Rating: important  
References:

  * bsc#1238912
  * bsc#1241579
  * bsc#1244337

  
Cross-References:

  * CVE-2025-21772
  * CVE-2025-22115

  
CVSS scores:

  * CVE-2025-21772 ( SUSE ):  8.5
    CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
  * CVE-2025-21772 ( SUSE ):  7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
  * CVE-2025-22115 ( SUSE ):  7.3
    CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
  * CVE-2025-22115 ( SUSE ):  7.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

  
Affected Products:

  * SUSE Linux Enterprise Live Patching 15-SP6
  * SUSE Linux Enterprise Real Time 15 SP6
  * SUSE Linux Enterprise Server 15 SP6
  * SUSE Linux Enterprise Server for SAP Applications 15 SP6

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

## Description:

This update for the Linux Kernel 6.4.0-150600_10_29 fixes several issues.

The following security issues were fixed:

  * CVE-2025-22115: btrfs: fix block group refcount race in
    btrfs_create_pending_block_groups() (bsc#1241579).
  * CVE-2025-21772: partitions: mac: fix handling of bogus partition table
    (bsc#1238912).

## 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 Live Patching 15-SP6  
    zypper in -t patch SUSE-SLE-Module-Live-Patching-15-SP6-2025-2405=1

## Package List:

  * SUSE Linux Enterprise Live Patching 15-SP6 (x86_64)
    * kernel-livepatch-6_4_0-150600_10_29-rt-3-150600.2.1
    * kernel-livepatch-6_4_0-150600_10_29-rt-debuginfo-3-150600.2.1
    * kernel-livepatch-SLE15-SP6-RT_Update_9-debugsource-3-150600.2.1

## References:

  * https://www.suse.com/security/cve/CVE-2025-21772.html
  * https://www.suse.com/security/cve/CVE-2025-22115.html
  * https://bugzilla.suse.com/show_bug.cgi?id=1238912
  * https://bugzilla.suse.com/show_bug.cgi?id=1241579
  * https://bugzilla.suse.com/show_bug.cgi?id=1244337

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