SUSE-SU-2026:2191-1: important: Security update for the Linux Kernel (Live Patch 51 for SUSE Linux Enterprise 15 SP4)

Mon Jun 1 12:30:12 UTC 2026

# Security update for the Linux Kernel (Live Patch 51 for SUSE Linux Enterprise
15 SP4)

Announcement ID: SUSE-SU-2026:2191-1  
Release Date: 2026-06-01T06:36:48Z  
Rating: important  
References:

  * bsc#1264096
  * bsc#1265224
  * bsc#1265384

Cross-References:

  * CVE-2025-54518
  * CVE-2026-46300
  * CVE-2026-46333

CVSS scores:

  * CVE-2025-54518 ( 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-2025-54518 ( SUSE ):  7.4 CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
  * CVE-2025-54518 ( NVD ):  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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
  * CVE-2026-46300 ( SUSE ):  8.6
    CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
  * CVE-2026-46300 ( SUSE ):  8.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
  * CVE-2026-46300 ( NVD ):  7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
  * CVE-2026-46300 ( NVD ):  7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
  * CVE-2026-46333 ( SUSE ):  7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
  * CVE-2026-46333 ( NVD ):  7.1 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
  * CVE-2026-46333 ( NVD ):  5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

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 5.14.21-150400.24.205 fixes
various security issues

The following security issues were fixed:

  * CVE-2025-54518: AMD-SN-7052: CPU OP Cache Corruption (bsc#1264096).
  * CVE-2026-46300: FragNesia attack: another xfrm/esp based local root exploit
    (bsc#1265224).
  * CVE-2026-46333: ptrace: slightly saner 'get_dumpable()' logic (bsc#1265384).

## 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-2026-2191=1 SUSE-2026-2190=1

  * SUSE Linux Enterprise Live Patching 15-SP4  
    zypper in -t patch SUSE-SLE-Module-Live-Patching-15-SP4-2026-2191=1 SUSE-SLE-
Module-Live-Patching-15-SP4-2026-2190=1

## Package List:

  * openSUSE Leap 15.4 (ppc64le s390x x86_64)
    * kernel-livepatch-5_14_21-150400_24_200-default-debuginfo-4-150400.2.1
    * kernel-livepatch-SLE15-SP4_Update_51-debugsource-3-150400.2.1
    * kernel-livepatch-5_14_21-150400_24_200-default-4-150400.2.1
    * kernel-livepatch-SLE15-SP4_Update_50-debugsource-4-150400.2.1
    * kernel-livepatch-5_14_21-150400_24_205-default-3-150400.2.1
    * kernel-livepatch-5_14_21-150400_24_205-default-debuginfo-3-150400.2.1
  * SUSE Linux Enterprise Live Patching 15-SP4 (ppc64le s390x x86_64)
    * kernel-livepatch-5_14_21-150400_24_200-default-debuginfo-4-150400.2.1
    * kernel-livepatch-SLE15-SP4_Update_51-debugsource-3-150400.2.1
    * kernel-livepatch-5_14_21-150400_24_200-default-4-150400.2.1
    * kernel-livepatch-SLE15-SP4_Update_50-debugsource-4-150400.2.1
    * kernel-livepatch-5_14_21-150400_24_205-default-3-150400.2.1
    * kernel-livepatch-5_14_21-150400_24_205-default-debuginfo-3-150400.2.1

## References:

  * https://www.suse.com/security/cve/CVE-2025-54518.html
  * https://www.suse.com/security/cve/CVE-2026-46300.html
  * https://www.suse.com/security/cve/CVE-2026-46333.html
  * https://bugzilla.suse.com/show_bug.cgi?id=1264096
  * https://bugzilla.suse.com/show_bug.cgi?id=1265224
  * https://bugzilla.suse.com/show_bug.cgi?id=1265384

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