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openSUSE: Linux Kernel Update Important 2025:02647-1 CVE-2025-37797

opensuse
Calendar Grey August 4, 2025
Dist Opensuse Esm H88
The latest Linux Kernel update for openSUSE addresses key issues, enhancing performance, stability, security, and hardware compatibility for a robust system experience
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).

Topics%20covered

Topics Covered

security advisory software update important kernel system patch OpenSUSE

Patch

## 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

*...

Read the Full Advisory

References

* bsc#1245776

* bsc#1245793

* bsc#1245797

* bsc#1245804

## 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

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2025:02647-1
Release Date: 2025-08-04T11:34:23Z
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

Topics%20covered

Topics Covered

security advisory software update important kernel system patch OpenSUSE

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