Security update for xen

Announcement ID: SUSE-SU-2026:2364-1
Release Date: 2026-06-11T06:54:28Z
Rating: important
References:
Cross-References:
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
  • CVE-2026-42490 ( SUSE ): 4.1 CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:H
Affected Products:
  • Basesystem Module 15-SP7
  • Server Applications Module 15-SP7
  • SUSE Linux Enterprise Desktop 15 SP7
  • SUSE Linux Enterprise Real Time 15 SP7
  • SUSE Linux Enterprise Server 15 SP7
  • SUSE Linux Enterprise Server for SAP Applications 15 SP7

An update that solves four vulnerabilities can now be installed.

Description:

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).

Special Instructions and Notes:

  • Please reboot the system after installing this update.

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:

  • Basesystem Module 15-SP7
    zypper in -t patch SUSE-SLE-Module-Basesystem-15-SP7-2026-2364=1
  • Server Applications Module 15-SP7
    zypper in -t patch SUSE-SLE-Module-Server-Applications-15-SP7-2026-2364=1

Package List:

  • Basesystem Module 15-SP7 (x86_64)
    • xen-libs-debuginfo-4.20.3_06-150700.3.41.1
    • xen-tools-domU-debuginfo-4.20.3_06-150700.3.41.1
    • xen-libs-4.20.3_06-150700.3.41.1
    • xen-tools-domU-4.20.3_06-150700.3.41.1
    • xen-debugsource-4.20.3_06-150700.3.41.1
  • Server Applications Module 15-SP7 (x86_64)
    • xen-tools-4.20.3_06-150700.3.41.1
    • xen-devel-4.20.3_06-150700.3.41.1
    • xen-tools-debuginfo-4.20.3_06-150700.3.41.1
    • xen-debugsource-4.20.3_06-150700.3.41.1
    • xen-4.20.3_06-150700.3.41.1
  • Server Applications Module 15-SP7 (noarch)
    • xen-tools-xendomains-wait-disk-4.20.3_06-150700.3.41.1

References: