SUSE-SU-2025:20610-1: important: Security update for kernel-livepatch-MICRO-6-0_Update_2

[SLE-UPDATES]

# Security update for kernel-livepatch-MICRO-6-0_Update_2

Announcement ID: SUSE-SU-2025:20610-1  
Release Date: 2025-08-25T12:16:43Z  
Rating: important  
References:

  * bsc#1235250
  * bsc#1245776
  * bsc#1245793
  * bsc#1245797
  * bsc#1245804

  
Cross-References:

  * CVE-2024-53125
  * CVE-2024-56664
  * CVE-2025-21702
  * CVE-2025-37752
  * CVE-2025-37797

  
CVSS scores:

  * CVE-2024-53125 ( SUSE ):  7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
  * CVE-2024-56664 ( SUSE ):  7.3
    CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
  * CVE-2024-56664 ( SUSE ):  7.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
  * CVE-2024-56664 ( NVD ):  7.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
  * CVE-2025-21702 ( SUSE ):  7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
  * CVE-2025-37752 ( SUSE ):  7.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
  * 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:

  * SUSE Linux Micro 6.1

  
  
An update that solves five vulnerabilities can now be installed.

## Description:

This update for kernel-livepatch-MICRO-6-0_Update_2 fixes the following issues:

  * CVE-2024-56664: bpf, sockmap: fix race between element replace and close()
    (bsc#1235250)
  * CVE-2025-37752: net_sched: sch_sfq: move the limit validation (bsc#1245776)
  * CVE-2025-37797: net_sched: hfsc: Fix a UAF vulnerability in class handling
    (bsc#1245793)
  * CVE-2025-21702: pfifo_tail_enqueue: Drop new packet when sch->limit == 0
    (bsc#1245797)
  * CVE-2024-53125: bpf: sync_linked_regs() must preserve subreg_def
    (bsc#1245804)

## 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 Micro 6.1  
    zypper in -t patch SUSE-SLE-Micro-6.1-kernel-73=1

## Package List:

  * SUSE Linux Micro 6.1 (s390x x86_64)
    * kernel-livepatch-6_4_0-19-default-9-1.1
    * kernel-livepatch-6_4_0-19-default-debuginfo-9-1.1
    * kernel-livepatch-MICRO-6-0_Update_2-debugsource-9-1.1

## References:

  * https://www.suse.com/security/cve/CVE-2024-53125.html
  * https://www.suse.com/security/cve/CVE-2024-56664.html
  * 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=1235250
  * 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
  * https://bugzilla.suse.com/show_bug.cgi?id=1245804

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