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Vulnerability IntelligenceSUSE-SU-2026:2141-1

SUSE-SU-2026:2141-1

HIGH8.8

Security update for the Linux Kernel (Live Patch 40 for SUSE Linux Enterprise 15 SP4)

Published May 31, 2026

Modified 6 days ago

Fix available

Details

Description of the patch:

This update for the SUSE Linux Enterprise Kernel 5.14.21-150400.24.164 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-2026-46300: FragNesia attack: another xfrm/esp based local root exploit (bsc#1265224).
CVE-2026-46333: ptrace: slightly saner 'get_dumpable()' logic (bsc#1265384).

Affected Packages

kernel-livepatch-5_14_21-150400_24_164-default

SUSE Linux Enterprise Live Patching 15 SP4

Fixed in:

20-150400.2.1

References

https://bugzilla.suse.com/1259798

https://bugzilla.suse.com/1260908

https://bugzilla.suse.com/1264096

https://bugzilla.suse.com/1265224

https://bugzilla.suse.com/1265384

https://lists.suse.com/pipermail/sle-updates/2026-June/046889.html

https://www.suse.com/security/cve/CVE-2025-54518/

https://www.suse.com/security/cve/CVE-2026-23243/

https://www.suse.com/security/cve/CVE-2026-23274/

https://www.suse.com/security/cve/CVE-2026-46300/

https://www.suse.com/security/cve/CVE-2026-46333/

https://www.suse.com/support/security/rating/

https://www.suse.com/support/update/announcement/2026/suse-su-20262141-1/

CVSS Analysis

CVSS v3.1

8.8

Exploitability

Attack Vector

LocalAV:L

Attack Complexity

LowAC:L

Privileges Required

LowPR:L

User Interaction

NoneUI:N

Scope

Scope

ChangedS:C

Impact

Confidentiality

HighC:H

Integrity

HighI:H

Availability

HighA:H

8.8/CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

Upstream

CVE-2025-54518 CVE-2026-23243 CVE-2026-23274 CVE-2026-46300 CVE-2026-46333

Ecosystems

SUSE Linux Enterprise Live Patching 15 SP4

Timeline

PublishedMay 31, 2026

ModifiedMay 31, 2026

SUSE-SU-2026:2141-1 | Mondoo Vulnerability Intelligence