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SUSE: Linux Kernel Important UAF Fix CVE-2025-37797 Advisory 2025:02671-1

suse
Calendar Grey August 4, 2025
Scroller Suse
Important patch released for Linux Kernel resolves UAF vulnerability classified as CVE-2025-37797 affecting SUSE Linux.
* bsc#1245793 Cross-References: * CVE-2025-37797

Summary

## 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). ## 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

Topics%20covered

Topics Covered

security advisory SuSE important Linux kernel live patching UAF

References

* bsc#1245793

Cross-

* CVE-2025-37797

CVSS scores:

* CVE-2025-37797 ( SUSE ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

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

An update that solves one vulnerability can now be installed.

##

* 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
Rating: important

Topics%20covered

Topics Covered

security advisory SuSE important Linux kernel live patching UAF

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