SUSE-SU-2025:02652-1: important: Security update for the Linux Kernel (Live Patch 20 for SLE 15 SP5)

SLE-SECURITY-UPDATES null at suse.de
Mon Aug 4 12:33:16 UTC 2025 


# Security update for the Linux Kernel (Live Patch 20 for SLE 15 SP5)

Announcement ID: SUSE-SU-2025:02652-1  
Release Date: 2025-08-04T10:05:39Z  
Rating: important  
References:

  * bsc#1232927
  * bsc#1235250
  * bsc#1245776
  * bsc#1245793
  * bsc#1245797
  * bsc#1245804

  
Cross-References:

  * CVE-2024-53125
  * CVE-2024-56664
  * CVE-2025-21702
  * CVE-2025-37752
  * CVE-2025-37797

  
CVSS scores:

  * CVE-2024-53125 ( SUSE ):  7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
  * CVE-2024-56664 ( 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-2024-56664 ( SUSE ):  7.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
  * CVE-2024-56664 ( NVD ):  7.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
  * CVE-2025-21702 ( SUSE ):  7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
  * CVE-2025-37752 ( SUSE ):  7.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
  * CVE-2025-37797 ( SUSE ):  7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

  
Affected Products:

  * openSUSE Leap 15.5
  * SUSE Linux Enterprise High Performance Computing 15 SP5
  * SUSE Linux Enterprise Live Patching 15-SP5
  * SUSE Linux Enterprise Micro 5.5
  * SUSE Linux Enterprise Real Time 15 SP5
  * SUSE Linux Enterprise Server 15 SP5
  * SUSE Linux Enterprise Server for SAP Applications 15 SP5

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

## Description:

This update for the Linux Kernel 5.14.21-150500_55_83 fixes several issues.

The following security issues were fixed:

  * CVE-2024-56664: bpf, sockmap: Fix race between element replace and close()
    (bsc#1235250).
  * CVE-2025-37797: net_sched: hfsc: Fix a UAF vulnerability in class handling
    (bsc#1245793).
  * CVE-2025-37752: net_sched: sch_sfq: move the limit validation (bsc#1245776).
  * CVE-2024-53125: bpf: sync_linked_regs() must preserve subreg_def
    (bsc#1245804).
  * CVE-2025-21702: pfifo_tail_enqueue: Drop new packet when sch->limit == 0
    (bsc#1245797).

## 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:

  * openSUSE Leap 15.5  
    zypper in -t patch SUSE-2025-2653=1 SUSE-2025-2652=1 SUSE-2025-2631=1

  * SUSE Linux Enterprise Live Patching 15-SP5  
    zypper in -t patch SUSE-SLE-Module-Live-Patching-15-SP5-2025-2653=1 SUSE-SLE-
Module-Live-Patching-15-SP5-2025-2652=1 SUSE-SLE-Module-Live-
Patching-15-SP5-2025-2631=1

## Package List:

  * openSUSE Leap 15.5 (ppc64le s390x x86_64)
    * kernel-livepatch-5_14_21-150500_55_73-default-debuginfo-14-150500.2.1
    * kernel-livepatch-5_14_21-150500_55_83-default-12-150500.2.1
    * kernel-livepatch-5_14_21-150500_55_83-default-debuginfo-12-150500.2.1
    * kernel-livepatch-5_14_21-150500_55_80-default-12-150500.2.1
    * kernel-livepatch-SLE15-SP5_Update_20-debugsource-12-150500.2.1
    * kernel-livepatch-SLE15-SP5_Update_19-debugsource-12-150500.2.1
    * kernel-livepatch-SLE15-SP5_Update_17-debugsource-14-150500.2.1
    * kernel-livepatch-5_14_21-150500_55_73-default-14-150500.2.1
    * kernel-livepatch-5_14_21-150500_55_80-default-debuginfo-12-150500.2.1
  * SUSE Linux Enterprise Live Patching 15-SP5 (ppc64le s390x x86_64)
    * kernel-livepatch-5_14_21-150500_55_73-default-debuginfo-14-150500.2.1
    * kernel-livepatch-5_14_21-150500_55_83-default-12-150500.2.1
    * kernel-livepatch-5_14_21-150500_55_83-default-debuginfo-12-150500.2.1
    * kernel-livepatch-5_14_21-150500_55_80-default-12-150500.2.1
    * kernel-livepatch-SLE15-SP5_Update_20-debugsource-12-150500.2.1
    * kernel-livepatch-SLE15-SP5_Update_19-debugsource-12-150500.2.1
    * kernel-livepatch-5_14_21-150500_55_73-default-14-150500.2.1
    * kernel-livepatch-5_14_21-150500_55_80-default-debuginfo-12-150500.2.1
  * SUSE Linux Enterprise Live Patching 15-SP5 (ppc64le x86_64)
    * kernel-livepatch-SLE15-SP5_Update_17-debugsource-14-150500.2.1

## References:

  * https://www.suse.com/security/cve/CVE-2024-53125.html
  * https://www.suse.com/security/cve/CVE-2024-56664.html
  * https://www.suse.com/security/cve/CVE-2025-21702.html
  * https://www.suse.com/security/cve/CVE-2025-37752.html
  * https://www.suse.com/security/cve/CVE-2025-37797.html
  * https://bugzilla.suse.com/show_bug.cgi?id=1232927
  * https://bugzilla.suse.com/show_bug.cgi?id=1235250
  * https://bugzilla.suse.com/show_bug.cgi?id=1245776
  * https://bugzilla.suse.com/show_bug.cgi?id=1245793
  * https://bugzilla.suse.com/show_bug.cgi?id=1245797
  * https://bugzilla.suse.com/show_bug.cgi?id=1245804

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