SUSE-SU-2025:03375-1: important: Security update for the Linux Kernel (Live Patch 37 for SLE 15 SP4)

SLE-UPDATES null at suse.de
Fri Sep 26 16:30:11 UTC 2025 


# Security update for the Linux Kernel (Live Patch 37 for SLE 15 SP4)

Announcement ID: SUSE-SU-2025:03375-1  
Release Date: 2025-09-26T14:34:11Z  
Rating: important  
References:

  * bsc#1245772
  * bsc#1245795
  * bsc#1246001
  * bsc#1246356
  * bsc#1247499
  * bsc#1248298

  
Cross-References:

  * CVE-2024-26808
  * CVE-2025-21755
  * CVE-2025-21756
  * CVE-2025-38177
  * CVE-2025-38181
  * CVE-2025-38498
  * CVE-2025-38555

  
CVSS scores:

  * CVE-2024-26808 ( SUSE ):  7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
  * CVE-2024-26808 ( NVD ):  5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
  * CVE-2025-21755 ( SUSE ):  5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
  * CVE-2025-21755 ( NVD ):  5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
  * CVE-2025-21756 ( SUSE ):  7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
  * CVE-2025-21756 ( NVD ):  7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
  * CVE-2025-38177 ( SUSE ):  7.3
    CVSS:4.0/AV:L/AC:H/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
  * CVE-2025-38177 ( SUSE ):  7.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
  * CVE-2025-38181 ( SUSE ):  8.2
    CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
  * CVE-2025-38181 ( SUSE ):  7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  * CVE-2025-38498 ( SUSE ):  7.3
    CVSS:4.0/AV:L/AC:H/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
  * CVE-2025-38498 ( SUSE ):  7.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
  * CVE-2025-38555 ( 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-2025-38555 ( 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 15.4
  * 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 seven vulnerabilities can now be installed.

## Description:

This update for the Linux Kernel 5.14.21-150400_24_153 fixes several issues.

The following security issues were fixed:

  * CVE-2025-38177: sch_hfsc: make hfsc_qlen_notify() idempotent (bsc#1246356).
  * CVE-2025-38181: calipso: Fix null-ptr-deref in calipso_req_{set,del}attr()
    (bsc#1246001).
  * CVE-2025-38498: do_change_type(): refuse to operate on unmounted/not ours
    mounts (bsc#1247499).
  * CVE-2025-38555: usb: gadget : fix use-after-free in composite_dev_cleanup()
    (bsc#1248298).
  * CVE-2024-26808: netfilter: nft_chain_filter: handle NETDEV_UNREGISTER for
    inet/ingress basechain (bsc#1245772).
  * CVE-2025-21756: vsock: Keep the binding until socket destruction
    (bsc#1245795).
  * CVE-2025-21755: vsock: Orphan socket after transport release (bsc#1245795).

## 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-SP4  
    zypper in -t patch SUSE-SLE-Module-Live-Patching-15-SP4-2025-3375=1 SUSE-SLE-
Module-Live-Patching-15-SP4-2025-3377=1

  * openSUSE Leap 15.4  
    zypper in -t patch SUSE-2025-3377=1 SUSE-2025-3375=1

## Package List:

  * SUSE Linux Enterprise Live Patching 15-SP4 (ppc64le s390x x86_64)
    * kernel-livepatch-SLE15-SP4_Update_37-debugsource-7-150400.2.1
    * kernel-livepatch-5_14_21-150400_24_153-default-debuginfo-7-150400.2.1
    * kernel-livepatch-5_14_21-150400_24_150-default-7-150400.2.1
    * kernel-livepatch-5_14_21-150400_24_150-default-debuginfo-7-150400.2.1
    * kernel-livepatch-5_14_21-150400_24_153-default-7-150400.2.1
    * kernel-livepatch-SLE15-SP4_Update_36-debugsource-7-150400.2.1
  * openSUSE Leap 15.4 (ppc64le s390x x86_64)
    * kernel-livepatch-5_14_21-150400_24_153-default-debuginfo-7-150400.2.1
    * kernel-livepatch-SLE15-SP4_Update_37-debugsource-7-150400.2.1
    * kernel-livepatch-5_14_21-150400_24_150-default-7-150400.2.1
    * kernel-livepatch-5_14_21-150400_24_150-default-debuginfo-7-150400.2.1
    * kernel-livepatch-5_14_21-150400_24_153-default-7-150400.2.1
    * kernel-livepatch-SLE15-SP4_Update_36-debugsource-7-150400.2.1

## References:

  * https://www.suse.com/security/cve/CVE-2024-26808.html
  * https://www.suse.com/security/cve/CVE-2025-21755.html
  * https://www.suse.com/security/cve/CVE-2025-21756.html
  * https://www.suse.com/security/cve/CVE-2025-38177.html
  * https://www.suse.com/security/cve/CVE-2025-38181.html
  * https://www.suse.com/security/cve/CVE-2025-38498.html
  * https://www.suse.com/security/cve/CVE-2025-38555.html
  * https://bugzilla.suse.com/show_bug.cgi?id=1245772
  * https://bugzilla.suse.com/show_bug.cgi?id=1245795
  * https://bugzilla.suse.com/show_bug.cgi?id=1246001
  * https://bugzilla.suse.com/show_bug.cgi?id=1246356
  * https://bugzilla.suse.com/show_bug.cgi?id=1247499
  * https://bugzilla.suse.com/show_bug.cgi?id=1248298

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