SUSE-SU-2025:02647-1: important: Security update for the Linux Kernel (Live Patch 40 for SLE 15 SP4)
SLE-SECURITY-UPDATES
null at suse.de
Mon Aug 4 12:33:05 UTC 2025
# Security update for the Linux Kernel (Live Patch 40 for SLE 15 SP4)
Announcement ID: SUSE-SU-2025:02647-1
Release Date: 2025-08-04T11:34:23Z
Rating: important
References:
* bsc#1245776
* bsc#1245793
* bsc#1245797
* bsc#1245804
Cross-References:
* CVE-2024-53125
* 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-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
* SUSE Linux Enterprise High Performance Computing 15 SP4
* SUSE Linux Enterprise Live Patching 15-SP4
* SUSE Linux Enterprise Micro 5.3
* SUSE Linux Enterprise Micro 5.4
* SUSE Linux Enterprise Real Time 15 SP4
* SUSE Linux Enterprise Server 15 SP4
* SUSE Linux Enterprise Server for SAP Applications 15 SP4
An update that solves four vulnerabilities can now be installed.
## Description:
This update for the Linux Kernel 5.14.21-150400_24_164 fixes several issues.
The following security issues were fixed:
* 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-2025-2651=1 SUSE-2025-2641=1 SUSE-2025-2664=1
SUSE-2025-2647=1
* SUSE Linux Enterprise Live Patching 15-SP4
zypper in -t patch SUSE-SLE-Module-Live-Patching-15-SP4-2025-2647=1 SUSE-SLE-
Module-Live-Patching-15-SP4-2025-2651=1 SUSE-SLE-Module-Live-
Patching-15-SP4-2025-2641=1 SUSE-SLE-Module-Live-Patching-15-SP4-2025-2664=1
## Package List:
* openSUSE Leap 15.4 (ppc64le s390x x86_64)
* kernel-livepatch-5_14_21-150400_24_150-default-4-150400.2.1
* kernel-livepatch-SLE15-SP4_Update_37-debugsource-4-150400.2.1
* kernel-livepatch-5_14_21-150400_24_161-default-3-150400.2.1
* kernel-livepatch-SLE15-SP4_Update_39-debugsource-3-150400.2.1
* kernel-livepatch-5_14_21-150400_24_161-default-debuginfo-3-150400.2.1
* kernel-livepatch-SLE15-SP4_Update_40-debugsource-3-150400.2.1
* kernel-livepatch-5_14_21-150400_24_164-default-debuginfo-3-150400.2.1
* kernel-livepatch-5_14_21-150400_24_150-default-debuginfo-4-150400.2.1
* kernel-livepatch-SLE15-SP4_Update_36-debugsource-4-150400.2.1
* kernel-livepatch-5_14_21-150400_24_164-default-3-150400.2.1
* kernel-livepatch-5_14_21-150400_24_153-default-debuginfo-4-150400.2.1
* kernel-livepatch-5_14_21-150400_24_153-default-4-150400.2.1
* SUSE Linux Enterprise Live Patching 15-SP4 (ppc64le s390x x86_64)
* kernel-livepatch-5_14_21-150400_24_150-default-4-150400.2.1
* kernel-livepatch-SLE15-SP4_Update_37-debugsource-4-150400.2.1
* kernel-livepatch-5_14_21-150400_24_161-default-3-150400.2.1
* kernel-livepatch-SLE15-SP4_Update_39-debugsource-3-150400.2.1
* kernel-livepatch-5_14_21-150400_24_161-default-debuginfo-3-150400.2.1
* kernel-livepatch-SLE15-SP4_Update_40-debugsource-3-150400.2.1
* kernel-livepatch-5_14_21-150400_24_164-default-debuginfo-3-150400.2.1
* kernel-livepatch-5_14_21-150400_24_150-default-debuginfo-4-150400.2.1
* kernel-livepatch-SLE15-SP4_Update_36-debugsource-4-150400.2.1
* kernel-livepatch-5_14_21-150400_24_164-default-3-150400.2.1
* kernel-livepatch-5_14_21-150400_24_153-default-debuginfo-4-150400.2.1
* kernel-livepatch-5_14_21-150400_24_153-default-4-150400.2.1
## References:
* https://www.suse.com/security/cve/CVE-2024-53125.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=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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