SUSE Kernel RT Important Security Update for 3 Issues 2026-21957-1
suse
June 3, 2026
An update that solves three vulnerabilities can now be installed.
Summary
## This update for the SUSE Linux Enterprise Kernel 6.12.0-160000.28.1 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 6.2 zypper in -t patch SUSE-SL-Micro-6.2-836=1 ## Package List: * SUSE Linux Micro 6.2 (x86_64) * kernel-livepatch-6_12_0-160000_28-rt-debuginfo-4-160000.1.1
Topics Covered
References
* bsc#1264096
* bsc#1265224
* bsc#1265384
Cross-
* 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
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Severity
important
Lowest
Low
Medium
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Critical
Announcement ID: SUSE-SU-2026:21957-1
Release Date: 2026-06-01T08:22:30Z
Rating: important
Topics Covered
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