SUSE-SU-2025:02671-1: important: Security update for the Linux Kernel (Live Patch 28 for SLE 15 SP5)

[SLE-SECURITY-UPDATES]

# Security update for the Linux Kernel (Live Patch 28 for SLE 15 SP5)

Announcement ID: SUSE-SU-2025:02671-1  
Release Date: 2025-08-04T12:38:45Z  
Rating: important  
References:

  * bsc#1245793

  
Cross-References:

  * 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.

## 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).

## 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:

  * https://www.suse.com/security/cve/CVE-2025-37797.html
  * https://bugzilla.suse.com/show_bug.cgi?id=1245793

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