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openSUSE 15.4 Xen Important CPU Corruption Issues 2026-2613-1

opensuse
Calendar Grey June 24, 2026
Scroller Opensuse
# Security update for xen Announcement ID: SUSE-SU-2026:2613-1 Release Date: 2026-06-24T09:01:48Z Ra
An update that solves five vulnerabilities can now be installed.

Description

This update for xen fixes the following issues

* CVE-2025-54518: AMD-SN-7052: CPU OP Cache Corruption (bsc#1264066).

* CVE-2026-42487: x86 HVM I/O port list traversal (bsc#1266952).

* CVE-2026-42488: x86: mismatched mapcache metadata (bsc#1266955).

* CVE-2026-42489,CVE-2026-42490: domctl lock open to abuse (bsc#1266953).

## Special Instructions and Notes:

* Please reboot the system after installing this update.

Topics%20covered

Topics Covered

security advisory DoS important OpenSUSE xen cpu corruption

Patch

## 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 Enterprise High Performance Computing LTSS 15 SP4

zypper in -t patch SUSE-SLE-Product-HPC-15-SP4-LTSS-2026-2613=1

* SUSE Linux Enterprise Server 15 SP4 LTSS

zypper in -t patch SUSE-SLE-Product-SLES-15-SP4-LTSS-2026-2613=1

* SUSE Linux Enterprise Server for SAP Applications 15 SP4

zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-SP4-2026-2613=1

* SUSE Linux Enterprise Micro for Rancher 5.4

zypper in -t patch SUSE-SLE-Micro-5.4-2026-2613=1

* SUSE Linux Enterprise Micro 5.4

zypper in -t patch SUSE-SLE-Micro-5.4-2026-2613=1

* SUSE Linux Enterprise High Performance Computing ESPOS 15 SP4

zypper in -t patch SUSE-SLE-Product-HPC-15-SP4-ESPOS-2026-2613=1

* SUSE Linux Enterprise Micro for Rancher 5.3

zypper in -t patch SUSE-SLE-Micro-5.3-2026-2613=1

* SUSE Linux Enterprise Micro 5.3

zypper in -t patch...

Read the Full Advisory

Package List

* SUSE Linux Enterprise Server for SAP Applications 15 SP4 (x86_64)

* xen-4.16.7_10-150400.4.86.2

* xen-tools-domU-4.16.7_10-150400.4.86.2

* xen-libs-debuginfo-4.16.7_10-150400.4.86.2

* xen-tools-debuginfo-4.16.7_10-150400.4.86.2

* xen-devel-4.16.7_10-150400.4.86.2

* xen-debugsource-4.16.7_10-150400.4.86.2

* xen-tools-domU-debuginfo-4.16.7_10-150400.4.86.2

* xen-libs-4.16.7_10-150400.4.86.2

* xen-tools-4.16.7_10-150400.4.86.2

* SUSE Linux Enterprise Server for SAP Applications 15 SP4 (noarch)

* xen-tools-xendomains-wait-disk-4.16.7_10-150400.4.86.2

* SUSE Linux Enterprise High Performance Computing ESPOS 15 SP4 (x86_64)

* xen-4.16.7_10-150400.4.86.2

* xen-tools-domU-4.16.7_10-150400.4.86.2

* xen-libs-debuginfo-4.16.7_10-150400.4.86.2

* xen-tools-debuginfo-4.16.7_10-150400.4.86.2

* xen-devel-4.16.7_10-150400.4.86.2

* xen-debugsource-4.16.7_10-150400.4.86.2

* xen-tools-domU-debuginfo-4.16.7_10-150400.4.86.2

* xen-libs-4.16.7_10-150400.4.86.2

* xen-tools-4.16.7_10-150400.4.86.2

* SUSE Linux Enterprise High...

Read the Full Advisory

References

* bsc#1264066

* bsc#1266952

* bsc#1266953

* bsc#1266955

## References:

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

* https://www.suse.com/security/cve/CVE-2026-42487.html

* https://www.suse.com/security/cve/CVE-2026-42488.html

* https://www.suse.com/security/cve/CVE-2026-42489.html

* https://www.suse.com/security/cve/CVE-2026-42490.html

* https://bugzilla.suse.com/show_bug.cgi?id=1264066

* https://bugzilla.suse.com/show_bug.cgi?id=1266952

* https://bugzilla.suse.com/show_bug.cgi?id=1266953

* https://bugzilla.suse.com/show_bug.cgi?id=1266955

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2026:2613-1
Release Date: 2026-06-24T09:01:48Z
Affected Products: * openSUSE Leap 15.4 * SUSE Linux Enterprise High Performance Computing 15 SP4 * SUSE Linux Enterprise High Performance Computing ESPOS 15 SP4 * SUSE Linux Enterprise High Performance Computing LTSS 15 SP4 * SUSE Linux Enterprise Micro 5.3 * SUSE Linux Enterprise Micro 5.4 * SUSE Linux Enterprise Micro for Rancher 5.3 * SUSE Linux Enterprise Micro for Rancher 5.4 * SUSE Linux Enterprise Server 15 SP4 * SUSE Linux Enterprise Server 15 SP4 LTSS * SUSE Linux Enterprise Server for SAP Applications 15 SP4

Topics%20covered

Topics Covered

security advisory DoS important OpenSUSE xen cpu corruption

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