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openSUSE Important xen Patch for Multiple Threats SUSE-2026-2329-1

suse
Calendar Grey June 10, 2026
Dist Suse Esm H88
Critical update for SUSE addressing multiple threats in xen with important patches to enhance security and stability.
An update that solves four vulnerabilities can now be installed.

Summary

## This update for xen fixes the following issues: * 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).

Topics%20covered

Topics Covered

security advisory update threat important OpenSUSE xen

References

* bsc#1266952

* bsc#1266953

* bsc#1266955

Cross-

* CVE-2026-42487

* CVE-2026-42488

* CVE-2026-42489

* CVE-2026-42490

CVSS scores:

* CVE-2026-42487 ( SUSE ): 8.8

CVSS:4.0/AV:L/AC:H/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H

* CVE-2026-42487 ( SUSE ): 7.8 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H

* CVE-2026-42488 ( SUSE ): 8.7

CVSS:4.0/AV:L/AC:H/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H

* CVE-2026-42488 ( SUSE ): 7.5 CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H

* CVE-2026-42489 ( SUSE ): 6.8

CVSS:4.0/AV:L/AC:H/AT:N/PR:H/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:H

* CVE-2026-42489 ( SUSE ): 5.3 CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:N/I:N/A:H

* CVE-2026-42490 ( SUSE ): 6.8

CVSS:4.0/AV:L/AC:H/AT:N/PR:H/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:H

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2026:2329-1
Release Date: 2026-06-10T07:39:36Z
Rating: important

Topics%20covered

Topics Covered

security advisory update threat important OpenSUSE xen

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