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openSUSE: Critical Linux Kernel Security Patch CVE-2025-37797 2025:02688-1

opensuse
Calendar Grey August 5, 2025
Dist Opensuse Esm H88
A significant release for the Fedora Linux Kernel tackles essential vulnerabilities to improve overall system safety and reliability.
An update that solves five vulnerabilities can now be installed.

Description

This update for the Linux Kernel 6.4.0-150600_23_30 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).

Topics%20covered

Topics Covered

security advisory DoS vulnerability important Linux kernel 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 15.6

zypper in -t patch SUSE-2025-2688=1 SUSE-2025-2690=1

* SUSE Linux Enterprise Live Patching 15-SP6

zypper in -t patch SUSE-SLE-Module-Live-Patching-15-SP6-2025-2688=1 SUSE-SLE-

Module-Live-Patching-15-SP6-2025-2690=1

Package List

* openSUSE Leap 15.6 (ppc64le s390x x86_64)

* kernel-livepatch-6_4_0-150600_23_30-default-9-150600.2.1

* kernel-livepatch-6_4_0-150600_23_30-default-debuginfo-9-150600.2.1

* kernel-livepatch-SLE15-SP6_Update_4-debugsource-14-150600.2.1

* kernel-livepatch-6_4_0-150600_23_22-default-debuginfo-14-150600.2.1

* kernel-livepatch-6_4_0-150600_23_22-default-14-150600.2.1

* kernel-livepatch-SLE15-SP6_Update_6-debugsource-9-150600.2.1

* SUSE Linux Enterprise Live Patching 15-SP6 (ppc64le s390x x86_64)

* kernel-livepatch-6_4_0-150600_23_30-default-9-150600.2.1

* kernel-livepatch-6_4_0-150600_23_30-default-debuginfo-9-150600.2.1

* kernel-livepatch-SLE15-SP6_Update_4-debugsource-14-150600.2.1

* kernel-livepatch-6_4_0-150600_23_22-default-debuginfo-14-150600.2.1

* kernel-livepatch-6_4_0-150600_23_22-default-14-150600.2.1

* kernel-livepatch-SLE15-SP6_Update_6-debugsource-9-150600.2.1

References

* bsc#1235250

* 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-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

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2025:02688-1
Release Date: 2025-08-05T05:34:32Z
Affected Products: * openSUSE Leap 15.6 * SUSE Linux Enterprise Live Patching 15-SP6 * SUSE Linux Enterprise Real Time 15 SP6 * SUSE Linux Enterprise Server 15 SP6 * SUSE Linux Enterprise Server for SAP Applications 15 SP6

Topics%20covered

Topics Covered

security advisory DoS vulnerability important Linux kernel OpenSUSE

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