SUSE-SU-2026:2134-1: important: Security update for the Linux Kernel RT (Live Patch 9 for SUSE Linux Enterprise 15 SP7)

SLE-UPDATES null at suse.de
Mon Jun 1 08:32:28 UTC 2026 

# Security update for the Linux Kernel RT (Live Patch 9 for SUSE Linux
Enterprise 15 SP7)

Announcement ID: SUSE-SU-2026:2134-1  
Release Date: 2026-05-29T23:44:17Z  
Rating: important  
References:

  * bsc#1259798
  * bsc#1260563
  * bsc#1260908
  * bsc#1264096
  * bsc#1265224
  * bsc#1265384

  
Cross-References:

  * CVE-2025-54518
  * CVE-2026-23243
  * CVE-2026-23274
  * CVE-2026-23317
  * 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-2026-23243 ( 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-2026-23243 ( SUSE ):  7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
  * CVE-2026-23243 ( NVD ):  7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
  * CVE-2026-23274 ( 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-2026-23274 ( SUSE ):  7.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
  * CVE-2026-23274 ( NVD ):  7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
  * CVE-2026-23317 ( SUSE ):  8.7
    CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
  * CVE-2026-23317 ( SUSE ):  7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
  * CVE-2026-23317 ( 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 ( 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:

  * SUSE Linux Enterprise Live Patching 15-SP7
  * SUSE Linux Enterprise Real Time 15 SP7
  * SUSE Linux Enterprise Server 15 SP7
  * SUSE Linux Enterprise Server for SAP Applications 15 SP7

  
  
An update that solves six vulnerabilities can now be installed.

## Description:

This update for the SUSE Linux Enterprise Kernel 6.4.0-150700.7.31 fixes various
security issues

The following security issues were fixed:

  * CVE-2025-54518: AMD-SN-7052: CPU OP Cache Corruption (bsc#1264096).
  * CVE-2026-23243: RDMA/umad: Reject negative data_len in ib_umad_write
    (bsc#1259798).
  * CVE-2026-23274: netfilter: xt_IDLETIMER: reject rev0 reuse of ALARM timer
    labels (bsc#1260908).
  * CVE-2026-23317: drm/vmwgfx: Return the correct value in vmw_translate_ptr
    functions (bsc#1260563).
  * 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:

  * SUSE Linux Enterprise Live Patching 15-SP7  
    zypper in -t patch SUSE-SLE-Module-Live-Patching-15-SP7-2026-2134=1 SUSE-SLE-
Module-Live-Patching-15-SP7-2026-2123=1 SUSE-SLE-Module-Live-
Patching-15-SP7-2026-2126=1 SUSE-SLE-Module-Live-Patching-15-SP7-2026-2124=1
SUSE-SLE-Module-Live-Patching-15-SP7-2026-2127=1 SUSE-SLE-Module-Live-
Patching-15-SP7-2026-2128=1 SUSE-SLE-Module-Live-Patching-15-SP7-2026-2129=1
SUSE-SLE-Module-Live-Patching-15-SP7-2026-2130=1 SUSE-SLE-Module-Live-
Patching-15-SP7-2026-2125=1 SUSE-SLE-Module-Live-Patching-15-SP7-2026-2135=1

## Package List:

  * SUSE Linux Enterprise Live Patching 15-SP7 (x86_64)
    * kernel-livepatch-SLE15-SP7-RT_Update_2-debugsource-16-150700.2.1
    * kernel-livepatch-6_4_0-150700_7_3-rt-debuginfo-17-150700.2.1
    * kernel-livepatch-6_4_0-150700_7_22-rt-debuginfo-8-150700.2.1
    * kernel-livepatch-SLE15-SP7-RT_Update_9-debugsource-6-150700.2.1
    * kernel-livepatch-SLE15-SP7-RT_Update_6-debugsource-8-150700.2.1
    * kernel-livepatch-SLE15-SP7-RT_Update_1-debugsource-17-150700.2.1
    * kernel-livepatch-6_4_0-150700_7_19-rt-debuginfo-9-150700.2.1
    * kernel-livepatch-6_4_0-150700_7_16-rt-12-150700.2.1
    * kernel-livepatch-6_4_0-150700_7_3-rt-17-150700.2.1
    * kernel-livepatch-SLE15-SP7-RT_Update_0-debugsource-17-150700.3.1
    * kernel-livepatch-6_4_0-150700_7_8-rt-16-150700.2.1
    * kernel-livepatch-SLE15-SP7-RT_Update_3-debugsource-12-150700.2.1
    * kernel-livepatch-SLE15-SP7-RT_Update_8-debugsource-7-150700.2.1
    * kernel-livepatch-6_4_0-150700_7_28-rt-7-150700.2.1
    * kernel-livepatch-6_4_0-150700_7_13-rt-12-150700.2.1
    * kernel-livepatch-6_4_0-150700_7_16-rt-debuginfo-12-150700.2.1
    * kernel-livepatch-6_4_0-150700_7_22-rt-8-150700.2.1
    * kernel-livepatch-SLE15-SP7-RT_Update_4-debugsource-12-150700.2.1
    * kernel-livepatch-6_4_0-150700_7_31-rt-debuginfo-6-150700.2.1
    * kernel-livepatch-6_4_0-150700_5-rt-debuginfo-17-150700.3.1
    * kernel-livepatch-6_4_0-150700_7_31-rt-6-150700.2.1
    * kernel-livepatch-6_4_0-150700_5-rt-17-150700.3.1
    * kernel-livepatch-6_4_0-150700_7_8-rt-debuginfo-16-150700.2.1
    * kernel-livepatch-SLE15-SP7-RT_Update_5-debugsource-9-150700.2.1
    * kernel-livepatch-6_4_0-150700_7_25-rt-7-150700.2.1
    * kernel-livepatch-SLE15-SP7-RT_Update_7-debugsource-7-150700.2.1
    * kernel-livepatch-6_4_0-150700_7_13-rt-debuginfo-12-150700.2.1
    * kernel-livepatch-6_4_0-150700_7_28-rt-debuginfo-7-150700.2.1
    * kernel-livepatch-6_4_0-150700_7_25-rt-debuginfo-7-150700.2.1
    * kernel-livepatch-6_4_0-150700_7_19-rt-9-150700.2.1

## References:

  * https://www.suse.com/security/cve/CVE-2025-54518.html
  * https://www.suse.com/security/cve/CVE-2026-23243.html
  * https://www.suse.com/security/cve/CVE-2026-23274.html
  * https://www.suse.com/security/cve/CVE-2026-23317.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=1259798
  * https://bugzilla.suse.com/show_bug.cgi?id=1260563
  * https://bugzilla.suse.com/show_bug.cgi?id=1260908
  * 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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