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