SUSE-SU-2025:02707-1: important: Security update for the Linux Kernel (Live Patch 59 for SLE 15 SP3)

[SLE-SECURITY-UPDATES]

# Security update for the Linux Kernel (Live Patch 59 for SLE 15 SP3)

Announcement ID: SUSE-SU-2025:02707-1  
Release Date: 2025-08-05T10:34:35Z  
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 15.3
  * 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

  
  
An update that solves one vulnerability can now be installed.

## Description:

This update for the Linux Kernel 5.3.18-150300_59_211 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:

  * SUSE Linux Enterprise Live Patching 15-SP3  
    zypper in -t patch SUSE-SLE-Module-Live-Patching-15-SP3-2025-2707=1

  * openSUSE Leap 15.3  
    zypper in -t patch SUSE-2025-2707=1

## Package List:

  * SUSE Linux Enterprise Live Patching 15-SP3 (ppc64le s390x x86_64)
    * kernel-livepatch-SLE15-SP3_Update_59-debugsource-2-150300.2.1
    * kernel-livepatch-5_3_18-150300_59_211-default-2-150300.2.1
    * kernel-livepatch-5_3_18-150300_59_211-default-debuginfo-2-150300.2.1
  * openSUSE Leap 15.3 (ppc64le s390x x86_64)
    * kernel-livepatch-SLE15-SP3_Update_59-debugsource-2-150300.2.1
    * kernel-livepatch-5_3_18-150300_59_211-default-2-150300.2.1
    * kernel-livepatch-5_3_18-150300_59_211-default-debuginfo-2-150300.2.1
  * openSUSE Leap 15.3 (x86_64)
    * kernel-livepatch-5_3_18-150300_59_211-preempt-2-150300.2.1
    * kernel-livepatch-5_3_18-150300_59_211-preempt-debuginfo-2-150300.2.1

## References:

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

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