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SUSE Xen Important CPU Cache Corruption Fix 2026-1998-1

suse
Calendar Grey May 19, 2026
Dist Suse Esm H88
Three important security updates are available for SUSE addressing critical issues in Xen. Install patch immediately.
An update that solves three vulnerabilities can now be installed.

Summary

## This update for xen fixes the following issue * CVE-2025-54518: AMD-SN-7052: CPU OP Cache Corruption (bsc#1264066).

Topics%20covered

Topics Covered

security advisory SuSE important fix xen cpu corruption

References

* bsc#1262178

* bsc#1262180

* bsc#1264066

Cross-

* CVE-2025-54518

* CVE-2026-23557

* CVE-2026-23558

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-2026-23557 ( SUSE ): 6.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H

* CVE-2026-23558 ( 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-2026-23558 ( SUSE ): 7.8 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H

Affected Products:

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2026:1998-1
Release Date: 2026-05-19T07:10:39Z
Rating: important

Topics%20covered

Topics Covered

security advisory SuSE important fix xen cpu corruption

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