SUSE-SU-2026:20148-1: important: Security update for the Linux Kernel (Live Patch 2 for SUSE Linux Enterprise 16)

[SLE-SECURITY-UPDATES]

# Security update for the Linux Kernel (Live Patch 2 for SUSE Linux Enterprise
16)

Announcement ID: SUSE-SU-2026:20148-1  
Release Date: 2026-01-23T16:43:12Z  
Rating: important  
References:

  * bsc#1254196

  
Cross-References:

  * CVE-2025-40212

  
CVSS scores:

  * CVE-2025-40212 ( 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-2025-40212 ( SUSE ):  7.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

  
Affected Products:

  * SUSE Linux Enterprise Server 16.0
  * SUSE Linux Enterprise Server for SAP Applications 16.0

  
  
An update that solves one vulnerability can now be installed.

## Description:

This update for the SUSE Linux Enterprise kernel 6.12.0-160000.7.1 fixes one
security issue

The following security issue was fixed:

  * CVE-2025-40212: nfsd: fix refcount leak in nfsd_set_fh_dentry()
    (bsc#1254196).

## 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 Server 16.0  
    zypper in -t patch SUSE-SLES-16.0-187=1

  * SUSE Linux Enterprise Server for SAP Applications 16.0  
    zypper in -t patch SUSE-SLES-16.0-187=1

## Package List:

  * SUSE Linux Enterprise Server 16.0 (ppc64le s390x x86_64)
    * kernel-livepatch-6_12_0-160000_7-default-debuginfo-2-160000.1.1
    * kernel-livepatch-SLE16_Update_2-debugsource-2-160000.1.1
    * kernel-livepatch-6_12_0-160000_7-default-2-160000.1.1
  * SUSE Linux Enterprise Server for SAP Applications 16.0 (ppc64le x86_64)
    * kernel-livepatch-6_12_0-160000_7-default-debuginfo-2-160000.1.1
    * kernel-livepatch-SLE16_Update_2-debugsource-2-160000.1.1
    * kernel-livepatch-6_12_0-160000_7-default-2-160000.1.1

## References:

  * https://www.suse.com/security/cve/CVE-2025-40212.html
  * https://bugzilla.suse.com/show_bug.cgi?id=1254196

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