Security update for the Linux Kernel RT (Live Patch 19 for SUSE Linux Enterprise Micro 6.0)

Announcement ID: SUSE-SU-2026:21931-1
Release Date: 2026-06-01T09:26:53Z
Rating: important
References:
Cross-References:
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:
  • SUSE Linux Micro 6.0

An update that solves three vulnerabilities can now be installed.

Description:

This update for the SUSE Linux Enterprise Kernel 6.4.0-41.1 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:

  • SUSE Linux Micro 6.0
    zypper in -t patch SUSE-SLE-Micro-6.0-kernel-449=1

Package List:

  • SUSE Linux Micro 6.0 (x86_64)
    • kernel-livepatch-6_4_0-41-rt-4-1.1
    • kernel-livepatch-MICRO-6-0-RT_Update_19-debugsource-4-1.1
    • kernel-livepatch-6_4_0-41-rt-debuginfo-4-1.1

References: