SUSE-SU-2025:03656-1: important: Security update for the Linux Kernel (Live Patch 69 for SLE 12 SP5)

[SLE-UPDATES]

# Security update for the Linux Kernel (Live Patch 69 for SLE 12 SP5)

Announcement ID: SUSE-SU-2025:03656-1  
Release Date: 2025-10-19T09:34:13Z  
Rating: important  
References:

  * bsc#1245794
  * bsc#1248673
  * bsc#1248749
  * bsc#1250302

  
Cross-References:

  * CVE-2022-50386
  * CVE-2025-21971
  * CVE-2025-38499
  * CVE-2025-38644

  
CVSS scores:

  * CVE-2022-50386 ( SUSE ):  7.3
    CVSS:4.0/AV:L/AC:H/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
  * CVE-2022-50386 ( SUSE ):  7.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
  * CVE-2025-21971 ( 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-2025-21971 ( SUSE ):  7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
  * CVE-2025-38499 ( SUSE ):  6.2
    CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:N/SC:N/SI:H/SA:H
  * CVE-2025-38499 ( SUSE ):  8.4 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:H
  * CVE-2025-38644 ( SUSE ):  7.3
    CVSS:4.0/AV:L/AC:H/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
  * CVE-2025-38644 ( 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 High Performance Computing 12 SP5
  * SUSE Linux Enterprise Live Patching 12-SP5
  * SUSE Linux Enterprise Server 12 SP5
  * SUSE Linux Enterprise Server for SAP Applications 12 SP5

  
  
An update that solves four vulnerabilities can now be installed.

## Description:

This update for the Linux Kernel 4.12.14-122_261 fixes several issues.

The following security issues were fixed:

  * CVE-2022-50386: Bluetooth: L2CAP: Fix user-after-free (bsc#1250302).
  * CVE-2025-38499: clone_private_mnt(): make sure that caller has CAP_SYS_ADMIN
    in the right userns (bsc#1248673).
  * CVE-2025-21971: net_sched: Prevent creation of classes with TC_H_ROOT
    (bsc#1245794).
  * CVE-2025-38644: wifi: mac80211: reject TDLS operations when station is not
    associated (bsc#1248749).

## 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 12-SP5  
    zypper in -t patch SUSE-SLE-Live-Patching-12-SP5-2025-3656=1 SUSE-SLE-Live-
Patching-12-SP5-2025-3654=1 SUSE-SLE-Live-Patching-12-SP5-2025-3657=1 SUSE-SLE-
Live-Patching-12-SP5-2025-3655=1 SUSE-SLE-Live-Patching-12-SP5-2025-3658=1 SUSE-
SLE-Live-Patching-12-SP5-2025-3659=1 SUSE-SLE-Live-Patching-12-SP5-2025-3660=1
SUSE-SLE-Live-Patching-12-SP5-2025-3661=1

## Package List:

  * SUSE Linux Enterprise Live Patching 12-SP5 (ppc64le s390x x86_64)
    * kgraft-patch-4_12_14-122_250-default-10-2.1
    * kgraft-patch-4_12_14-122_255-default-9-2.1
    * kgraft-patch-4_12_14-122_247-default-10-2.1
    * kgraft-patch-4_12_14-122_261-default-6-2.1
    * kgraft-patch-4_12_14-122_237-default-13-2.1
    * kgraft-patch-4_12_14-122_234-default-17-2.1
    * kgraft-patch-4_12_14-122_258-default-7-2.1
    * kgraft-patch-4_12_14-122_244-default-12-2.1

## References:

  * https://www.suse.com/security/cve/CVE-2022-50386.html
  * https://www.suse.com/security/cve/CVE-2025-21971.html
  * https://www.suse.com/security/cve/CVE-2025-38499.html
  * https://www.suse.com/security/cve/CVE-2025-38644.html
  * https://bugzilla.suse.com/show_bug.cgi?id=1245794
  * https://bugzilla.suse.com/show_bug.cgi?id=1248673
  * https://bugzilla.suse.com/show_bug.cgi?id=1248749
  * https://bugzilla.suse.com/show_bug.cgi?id=1250302

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