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openSUSE 15.5: Kernel Important UAF Fix SUSE-SU-2025:02671-1

opensuse
Calendar Grey August 4, 2025
Scroller Opensuse
A significant patch for the Linux Kernel addressing a use-after-free flaw in openSUSE, to be rolled out in August 2025.
An update that solves one vulnerability can now be installed.

Description

This update for the Linux Kernel 5.14.21-150500_55_113 fixes one issue.

The following security issue was fixed:

* CVE-2025-37797: net_sched: hfsc: Fix a UAF vulnerability in class handling

(bsc#1245793).

Topics%20covered

Topics Covered

security advisory patch important kernel OpenSUSE UAF

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 15.5

zypper in -t patch SUSE-2025-2671=1

* SUSE Linux Enterprise Live Patching 15-SP5

zypper in -t patch SUSE-SLE-Module-Live-Patching-15-SP5-2025-2671=1

Package List

* openSUSE Leap 15.5 (ppc64le s390x x86_64)

* kernel-livepatch-5_14_21-150500_55_113-default-2-150500.2.1

* kernel-livepatch-5_14_21-150500_55_113-default-debuginfo-2-150500.2.1

* kernel-livepatch-SLE15-SP5_Update_28-debugsource-2-150500.2.1

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

* kernel-livepatch-5_14_21-150500_55_113-default-2-150500.2.1

* kernel-livepatch-5_14_21-150500_55_113-default-debuginfo-2-150500.2.1

* kernel-livepatch-SLE15-SP5_Update_28-debugsource-2-150500.2.1

References

* bsc#1245793

## References:

* https://www.suse.com/security/cve/CVE-2025-37797.html

* https://bugzilla.suse.com/show_bug.cgi?id=1245793

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2025:02671-1
Release Date: 2025-08-04T12:38:45Z
Affected Products: * openSUSE Leap 15.5 * SUSE Linux Enterprise High Performance Computing 15 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 15 SP5 * SUSE Linux Enterprise Server for SAP Applications 15 SP5

Topics%20covered

Topics Covered

security advisory patch important kernel OpenSUSE UAF

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