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openSUSE Leap 15.3: Linux Kernel Important DoS Threat Patch 2025:02607-1

opensuse
Calendar Grey August 4, 2025
Dist Opensuse Esm H88
This significant notification pertains to the security updates for the Linux Kernel that rectify several CVEs within openSUSE Leap 15.3.
An update that solves four vulnerabilities can now be installed.

Description

This update for the Linux Kernel 5.3.18-150300_59_185 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-2025-21702: pfifo_tail_enqueue: Drop new packet when sch->limit == 0

(bsc#1245797).

Topics%20covered

Topics Covered

security advisory DoS patch 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 15.3

zypper in -t patch SUSE-2025-2607=1 SUSE-2025-2609=1

* SUSE Linux Enterprise Live Patching 15-SP3

zypper in -t patch SUSE-SLE-Module-Live-Patching-15-SP3-2025-2607=1 SUSE-SLE-

Module-Live-Patching-15-SP3-2025-2609=1

Package List

* openSUSE Leap 15.3 (ppc64le s390x x86_64)

* kernel-livepatch-SLE15-SP3_Update_48-debugsource-14-150300.2.1

* kernel-livepatch-5_3_18-150300_59_174-default-debuginfo-14-150300.2.1

* kernel-livepatch-SLE15-SP3_Update_51-debugsource-9-150300.2.1

* kernel-livepatch-5_3_18-150300_59_185-default-debuginfo-9-150300.2.1

* kernel-livepatch-5_3_18-150300_59_185-default-9-150300.2.1

* kernel-livepatch-5_3_18-150300_59_174-default-14-150300.2.1

* openSUSE Leap 15.3 (x86_64)

* kernel-livepatch-5_3_18-150300_59_185-preempt-debuginfo-9-150300.2.1

* kernel-livepatch-5_3_18-150300_59_185-preempt-9-150300.2.1

* kernel-livepatch-5_3_18-150300_59_174-preempt-debuginfo-14-150300.2.1

* kernel-livepatch-5_3_18-150300_59_174-preempt-14-150300.2.1

* SUSE Linux Enterprise Live Patching 15-SP3 (ppc64le s390x x86_64)

* kernel-livepatch-5_3_18-150300_59_185-default-9-150300.2.1

* kernel-livepatch-5_3_18-150300_59_174-default-14-150300.2.1

References

* bsc#1235250

* bsc#1245776

* bsc#1245793

* bsc#1245797

## References:

* 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

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2025:02607-1
Release Date: 2025-08-03T02:34:31Z
Affected Products: * openSUSE Leap 15.3 * SUSE Linux Enterprise High Performance Computing 15 SP3 * SUSE Linux Enterprise Live Patching 15-SP3 * SUSE Linux Enterprise Micro 5.1 * SUSE Linux Enterprise Micro 5.2 * SUSE Linux Enterprise Server 15 SP3 * SUSE Linux Enterprise Server for SAP Applications 15 SP3

Topics%20covered

Topics Covered

security advisory DoS patch important Linux kernel OpenSUSE

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