Alerts This Week
Warning Icon 1 540
Alerts This Week
Warning Icon 1 540

openSUSE: Linux Kernel Important DoS Threat Fix 2025:02676-1

opensuse
Calendar Grey August 4, 2025
Dist Opensuse Esm H88
The latest openSUSE Linux Kernel update addresses critical security flaws that threaten system integrity and user data, emphasizing access control and encryption
An update that solves three vulnerabilities can now be installed.

Description

This update for the Linux Kernel 5.14.21-150500_55_110 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-2025-21702: pfifo_tail_enqueue: Drop new packet when sch->limit == 0

(bsc#1245797).

Topics%20covered

Topics Covered

security advisory security update DoS 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:

* SUSE Linux Enterprise Live Patching 15-SP5

zypper in -t patch SUSE-SLE-Module-Live-Patching-15-SP5-2025-2669=1 SUSE-SLE-

Module-Live-Patching-15-SP5-2025-2670=1 SUSE-SLE-Module-Live-

Patching-15-SP5-2025-2668=1

* openSUSE Leap 15.5

zypper in -t patch SUSE-2025-2670=1 SUSE-2025-2668=1 SUSE-2025-2669=1

* SUSE Linux Enterprise Live Patching 12-SP5

zypper in -t patch SUSE-SLE-Live-Patching-12-SP5-2025-2676=1

Package List

* SUSE Linux Enterprise Live Patching 15-SP5 (ppc64le s390x x86_64)

* kernel-livepatch-SLE15-SP5_Update_27-debugsource-2-150500.2.1

* kernel-livepatch-5_14_21-150500_55_100-default-3-150500.2.1

* kernel-livepatch-5_14_21-150500_55_103-default-3-150500.2.1

* kernel-livepatch-SLE15-SP5_Update_25-debugsource-3-150500.2.1

* kernel-livepatch-5_14_21-150500_55_100-default-debuginfo-3-150500.2.1

* kernel-livepatch-5_14_21-150500_55_103-default-debuginfo-3-150500.2.1

* kernel-livepatch-5_14_21-150500_55_110-default-debuginfo-2-150500.2.1

* kernel-livepatch-5_14_21-150500_55_110-default-2-150500.2.1

* kernel-livepatch-SLE15-SP5_Update_26-debugsource-3-150500.2.1

* openSUSE Leap 15.5 (ppc64le s390x x86_64)

* kernel-livepatch-SLE15-SP5_Update_26-debugsource-3-150500.2.1

* kernel-livepatch-SLE15-SP5_Update_27-debugsource-2-150500.2.1

* kernel-livepatch-5_14_21-150500_55_100-default-3-150500.2.1

* kernel-livepatch-5_14_21-150500_55_103-default-3-150500.2.1

*...

Read the Full Advisory

References

* bsc#1245776

* bsc#1245793

* bsc#1245797

## References:

* 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

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2025:02676-1
Release Date: 2025-08-04T14:09:09Z
Affected Products: * openSUSE Leap 15.5 * SUSE Linux Enterprise High Performance Computing 12 SP5 * SUSE Linux Enterprise High Performance Computing 15 SP5 * SUSE Linux Enterprise Live Patching 12-SP5 * SUSE Linux Enterprise Live Patching 15-SP5 * SUSE Linux Enterprise Micro 5.5 * SUSE Linux Enterprise Real Time 15 SP5 * SUSE Linux Enterprise Server 12 SP5 * SUSE Linux Enterprise Server 15 SP5 * SUSE Linux Enterprise Server for SAP Applications 12 SP5 * SUSE Linux Enterprise Server for SAP Applications 15 SP5

Topics%20covered

Topics Covered

security advisory security update DoS important Linux kernel OpenSUSE

Get the latest News and Insights

Get the latest Linux and open source security news straight to your inbox.

Related News

Your message here