SUSE-SU-2025:02638-1: important: Security update for the Linux Kernel (Live Patch 5 for SLE 15 SP6)

SLE-UPDATES null at suse.de
Mon Aug 4 12:33:26 UTC 2025 


# Security update for the Linux Kernel (Live Patch 5 for SLE 15 SP6)

Announcement ID: SUSE-SU-2025:02638-1  
Release Date: 2025-08-04T11:04:30Z  
Rating: important  
References:

  * 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 15.4
  * openSUSE Leap 15.6
  * SUSE Linux Enterprise High Performance Computing 15 SP4
  * SUSE Linux Enterprise Live Patching 15-SP4
  * SUSE Linux Enterprise Live Patching 15-SP6
  * SUSE Linux Enterprise Micro 5.3
  * SUSE Linux Enterprise Micro 5.4
  * SUSE Linux Enterprise Real Time 15 SP4
  * SUSE Linux Enterprise Real Time 15 SP6
  * SUSE Linux Enterprise Server 15 SP4
  * SUSE Linux Enterprise Server 15 SP6
  * SUSE Linux Enterprise Server for SAP Applications 15 SP4
  * SUSE Linux Enterprise Server for SAP Applications 15 SP6

  
  
An update that solves five vulnerabilities can now be installed.

## Description:

This update for the Linux Kernel 6.4.0-150600_23_25 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 15.4  
    zypper in -t patch SUSE-2025-2630=1 SUSE-2025-2638=1 SUSE-2025-2639=1
SUSE-2025-2658=1 SUSE-2025-2640=1

  * SUSE Linux Enterprise Live Patching 15-SP4  
    zypper in -t patch SUSE-SLE-Module-Live-Patching-15-SP4-2025-2630=1 SUSE-SLE-
Module-Live-Patching-15-SP4-2025-2638=1 SUSE-SLE-Module-Live-
Patching-15-SP4-2025-2639=1 SUSE-SLE-Module-Live-Patching-15-SP4-2025-2658=1
SUSE-SLE-Module-Live-Patching-15-SP4-2025-2640=1

  * SUSE Linux Enterprise Live Patching 15-SP6  
    zypper in -t patch SUSE-SLE-Module-Live-Patching-15-SP6-2025-2624=1 SUSE-SLE-
Module-Live-Patching-15-SP6-2025-2625=1 SUSE-SLE-Module-Live-
Patching-15-SP6-2025-2633=1 SUSE-SLE-Module-Live-Patching-15-SP6-2025-2634=1
SUSE-SLE-Module-Live-Patching-15-SP6-2025-2643=1 SUSE-SLE-Module-Live-
Patching-15-SP6-2025-2659=1

  * openSUSE Leap 15.6  
    zypper in -t patch SUSE-2025-2659=1

## Package List:

  * openSUSE Leap 15.4 (ppc64le s390x x86_64)
    * kernel-livepatch-SLE15-SP4_Update_35-debugsource-9-150400.2.1
    * kernel-livepatch-SLE15-SP4_Update_33-debugsource-11-150400.2.1
    * kernel-livepatch-5_14_21-150400_24_128-default-debuginfo-14-150400.2.1
    * kernel-livepatch-5_14_21-150400_24_133-default-12-150400.2.1
    * kernel-livepatch-5_14_21-150400_24_147-default-9-150400.2.1
    * kernel-livepatch-5_14_21-150400_24_136-default-debuginfo-12-150400.2.1
    * kernel-livepatch-5_14_21-150400_24_141-default-debuginfo-11-150400.2.1
    * kernel-livepatch-SLE15-SP4_Update_32-debugsource-12-150400.2.1
    * kernel-livepatch-SLE15-SP4_Update_31-debugsource-12-150400.2.1
    * kernel-livepatch-5_14_21-150400_24_141-default-11-150400.2.1
    * kernel-livepatch-SLE15-SP4_Update_29-debugsource-14-150400.2.1
    * kernel-livepatch-5_14_21-150400_24_133-default-debuginfo-12-150400.2.1
    * kernel-livepatch-5_14_21-150400_24_128-default-14-150400.2.1
    * kernel-livepatch-5_14_21-150400_24_136-default-12-150400.2.1
    * kernel-livepatch-5_14_21-150400_24_147-default-debuginfo-9-150400.2.1
  * SUSE Linux Enterprise Live Patching 15-SP4 (ppc64le s390x x86_64)
    * kernel-livepatch-SLE15-SP4_Update_35-debugsource-9-150400.2.1
    * kernel-livepatch-SLE15-SP4_Update_33-debugsource-11-150400.2.1
    * kernel-livepatch-5_14_21-150400_24_128-default-debuginfo-14-150400.2.1
    * kernel-livepatch-5_14_21-150400_24_133-default-12-150400.2.1
    * kernel-livepatch-5_14_21-150400_24_147-default-9-150400.2.1
    * kernel-livepatch-5_14_21-150400_24_136-default-debuginfo-12-150400.2.1
    * kernel-livepatch-5_14_21-150400_24_141-default-debuginfo-11-150400.2.1
    * kernel-livepatch-SLE15-SP4_Update_32-debugsource-12-150400.2.1
    * kernel-livepatch-SLE15-SP4_Update_31-debugsource-12-150400.2.1
    * kernel-livepatch-5_14_21-150400_24_141-default-11-150400.2.1
    * kernel-livepatch-SLE15-SP4_Update_29-debugsource-14-150400.2.1
    * kernel-livepatch-5_14_21-150400_24_133-default-debuginfo-12-150400.2.1
    * kernel-livepatch-5_14_21-150400_24_128-default-14-150400.2.1
    * kernel-livepatch-5_14_21-150400_24_136-default-12-150400.2.1
    * kernel-livepatch-5_14_21-150400_24_147-default-debuginfo-9-150400.2.1
  * SUSE Linux Enterprise Live Patching 15-SP6 (x86_64)
    * kernel-livepatch-6_4_0-150600_10_14-rt-debuginfo-13-150600.2.1
    * kernel-livepatch-SLE15-SP6-RT_Update_5-debugsource-12-150600.2.1
    * kernel-livepatch-6_4_0-150600_10_14-rt-13-150600.2.1
    * kernel-livepatch-SLE15-SP6-RT_Update_2-debugsource-14-150600.2.1
    * kernel-livepatch-6_4_0-150600_10_20-rt-debuginfo-9-150600.2.1
    * kernel-livepatch-6_4_0-150600_10_11-rt-debuginfo-14-150600.2.1
    * kernel-livepatch-SLE15-SP6-RT_Update_4-debugsource-13-150600.2.1
    * kernel-livepatch-6_4_0-150600_10_20-rt-9-150600.2.1
    * kernel-livepatch-6_4_0-150600_10_11-rt-14-150600.2.1
    * kernel-livepatch-6_4_0-150600_10_17-rt-debuginfo-12-150600.2.1
    * kernel-livepatch-SLE15-SP6-RT_Update_3-debugsource-14-150600.2.1
    * kernel-livepatch-6_4_0-150600_10_17-rt-12-150600.2.1
    * kernel-livepatch-SLE15-SP6-RT_Update_6-debugsource-9-150600.2.1
    * kernel-livepatch-6_4_0-150600_10_8-rt-14-150600.2.1
    * kernel-livepatch-6_4_0-150600_10_8-rt-debuginfo-14-150600.2.1
  * SUSE Linux Enterprise Live Patching 15-SP6 (ppc64le s390x x86_64)
    * kernel-livepatch-6_4_0-150600_23_25-default-13-150600.2.1
    * kernel-livepatch-SLE15-SP6_Update_5-debugsource-13-150600.2.1
    * kernel-livepatch-6_4_0-150600_23_25-default-debuginfo-13-150600.2.1
  * openSUSE Leap 15.6 (ppc64le s390x x86_64)
    * kernel-livepatch-6_4_0-150600_23_25-default-13-150600.2.1
    * kernel-livepatch-SLE15-SP6_Update_5-debugsource-13-150600.2.1
    * kernel-livepatch-6_4_0-150600_23_25-default-debuginfo-13-150600.2.1

## 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=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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