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SUSE Kernel RT Important Patch for Local Exploits Vulnerabilities

suse
Calendar Grey June 2, 2026
Dist Suse Esm H88
SUSE releases important update resolving six security issues in kernel RT for Micro 6.0. Install via recommended methods.
An update that solves six vulnerabilities can now be installed.

Summary

## This update for the SUSE Linux Enterprise Kernel 6.4.0-39.1 fixes various security issues The following security issues were fixed: * CVE-2025-54518: AMD-SN-7052: CPU OP Cache Corruption (bsc#1264096). * CVE-2026-23243: 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

Topics%20covered

Topics Covered

security advisory security issue SuSE local exploit important kernel-rt

References

* bsc#1259798

* bsc#1260563

* bsc#1260908

* bsc#1264096

* bsc#1265224

* bsc#1265384

Cross-

* 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

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2026:21907-1
Release Date: 2026-06-01T09:26:52Z
Rating: important

Topics%20covered

Topics Covered

security advisory security issue SuSE local exploit important kernel-rt

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