SUSE-SU-2025:4199-1: important: Security update for the Linux Kernel (Live Patch 33 for SUSE Linux Enterprise 15 SP4)

[SLE-SECURITY-UPDATES]

# Security update for the Linux Kernel (Live Patch 33 for SUSE Linux Enterprise
15 SP4)

Announcement ID: SUSE-SU-2025:4199-1  
Release Date: 2025-11-24T12:33:54Z  
Rating: important  
References:

  * bsc#1242882
  * bsc#1245778
  * bsc#1251983

  
Cross-References:

  * CVE-2023-53673
  * CVE-2024-53141
  * CVE-2025-23145

  
CVSS scores:

  * CVE-2023-53673 ( 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-2023-53673 ( SUSE ):  7.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
  * CVE-2024-53141 ( SUSE ):  8.5
    CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
  * CVE-2024-53141 ( SUSE ):  7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
  * CVE-2024-53141 ( NVD ):  7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
  * CVE-2025-23145 ( SUSE ):  8.7
    CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
  * CVE-2025-23145 ( SUSE ):  7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  * CVE-2025-23145 ( NVD ):  5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

  
Affected Products:

  * openSUSE Leap 15.4
  * SUSE Linux Enterprise High Performance Computing 15 SP4
  * SUSE Linux Enterprise Live Patching 15-SP4
  * SUSE Linux Enterprise Micro 5.3
  * SUSE Linux Enterprise Micro 5.4
  * SUSE Linux Enterprise Real Time 15 SP4
  * SUSE Linux Enterprise Server 15 SP4
  * SUSE Linux Enterprise Server for SAP Applications 15 SP4

  
  
An update that solves three vulnerabilities can now be installed.

## Description:

This update for the SUSE Linux Enterprise kernel 5.14.21-150400.24.141 fixes
various security issues

The following security issues were fixed:

  * CVE-2023-53673: Bluetooth: hci_event: call disconnect callback before
    deleting conn (bsc#1251983).
  * CVE-2024-53141: netfilter: ipset: add missing range check in bitmap_ip_uadt
    (bsc#1245778).
  * CVE-2025-23145: mptcp: fix NULL pointer in can_accept_new_subflow
    (bsc#1242882).

## 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 15.4  
    zypper in -t patch SUSE-2025-4199=1

  * SUSE Linux Enterprise Live Patching 15-SP4  
    zypper in -t patch SUSE-SLE-Module-Live-Patching-15-SP4-2025-4199=1

## Package List:

  * openSUSE Leap 15.4 (ppc64le s390x x86_64)
    * kernel-livepatch-5_14_21-150400_24_141-default-debuginfo-18-150400.2.1
    * kernel-livepatch-SLE15-SP4_Update_33-debugsource-18-150400.2.1
    * kernel-livepatch-5_14_21-150400_24_141-default-18-150400.2.1
  * SUSE Linux Enterprise Live Patching 15-SP4 (ppc64le s390x x86_64)
    * kernel-livepatch-5_14_21-150400_24_141-default-debuginfo-18-150400.2.1
    * kernel-livepatch-SLE15-SP4_Update_33-debugsource-18-150400.2.1
    * kernel-livepatch-5_14_21-150400_24_141-default-18-150400.2.1

## References:

  * https://www.suse.com/security/cve/CVE-2023-53673.html
  * https://www.suse.com/security/cve/CVE-2024-53141.html
  * https://www.suse.com/security/cve/CVE-2025-23145.html
  * https://bugzilla.suse.com/show_bug.cgi?id=1242882
  * https://bugzilla.suse.com/show_bug.cgi?id=1245778
  * https://bugzilla.suse.com/show_bug.cgi?id=1251983

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