Security update for xen

Announcement ID: SUSE-SU-2026:1092-1
Release Date: 2026-03-26T17:51:51Z
Rating: important
References:
Cross-References:
CVSS scores:
  • CVE-2026-23554 ( SUSE ): 7.3 CVSS:4.0/AV:L/AC:H/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
  • CVE-2026-23554 ( SUSE ): 7.8 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H
  • CVE-2026-23554 ( NVD ): 7.8 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H
Affected Products:
  • openSUSE Leap 15.5
  • SUSE Linux Enterprise High Performance Computing 15 SP5
  • SUSE Linux Enterprise High Performance Computing ESPOS 15 SP5
  • SUSE Linux Enterprise High Performance Computing LTSS 15 SP5
  • SUSE Linux Enterprise Micro 5.5
  • SUSE Linux Enterprise Server 15 SP5
  • SUSE Linux Enterprise Server 15 SP5 LTSS
  • SUSE Linux Enterprise Server for SAP Applications 15 SP5

An update that solves one vulnerability can now be installed.

Description:

This update for xen fixes the following issues:

  • CVE-2026-23554: xen: Use after free of paging structures in EPT (bsc#1259247, XSA-480)

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:

  • openSUSE Leap 15.5
    zypper in -t patch SUSE-2026-1092=1
  • SUSE Linux Enterprise Micro 5.5
    zypper in -t patch SUSE-SLE-Micro-5.5-2026-1092=1
  • SUSE Linux Enterprise High Performance Computing ESPOS 15 SP5
    zypper in -t patch SUSE-SLE-Product-HPC-15-SP5-ESPOS-2026-1092=1
  • SUSE Linux Enterprise High Performance Computing LTSS 15 SP5
    zypper in -t patch SUSE-SLE-Product-HPC-15-SP5-LTSS-2026-1092=1
  • SUSE Linux Enterprise Server 15 SP5 LTSS
    zypper in -t patch SUSE-SLE-Product-SLES-15-SP5-LTSS-2026-1092=1
  • SUSE Linux Enterprise Server for SAP Applications 15 SP5
    zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-SP5-2026-1092=1

Package List:

  • openSUSE Leap 15.5 (aarch64 x86_64 i586)
    • xen-devel-4.17.6_06-150500.3.62.2
    • xen-debugsource-4.17.6_06-150500.3.62.2
    • xen-libs-debuginfo-4.17.6_06-150500.3.62.2
    • xen-tools-domU-debuginfo-4.17.6_06-150500.3.62.2
    • xen-libs-4.17.6_06-150500.3.62.2
    • xen-tools-domU-4.17.6_06-150500.3.62.2
  • openSUSE Leap 15.5 (x86_64)
    • xen-libs-32bit-4.17.6_06-150500.3.62.2
    • xen-libs-32bit-debuginfo-4.17.6_06-150500.3.62.2
  • openSUSE Leap 15.5 (aarch64 x86_64)
    • xen-doc-html-4.17.6_06-150500.3.62.2
    • xen-tools-debuginfo-4.17.6_06-150500.3.62.2
    • xen-4.17.6_06-150500.3.62.2
    • xen-tools-4.17.6_06-150500.3.62.2
  • openSUSE Leap 15.5 (noarch)
    • xen-tools-xendomains-wait-disk-4.17.6_06-150500.3.62.2
  • openSUSE Leap 15.5 (aarch64_ilp32)
    • xen-libs-64bit-debuginfo-4.17.6_06-150500.3.62.2
    • xen-libs-64bit-4.17.6_06-150500.3.62.2
  • SUSE Linux Enterprise Micro 5.5 (x86_64)
    • xen-debugsource-4.17.6_06-150500.3.62.2
    • xen-libs-debuginfo-4.17.6_06-150500.3.62.2
    • xen-libs-4.17.6_06-150500.3.62.2
  • SUSE Linux Enterprise High Performance Computing ESPOS 15 SP5 (x86_64)
    • xen-devel-4.17.6_06-150500.3.62.2
    • xen-tools-debuginfo-4.17.6_06-150500.3.62.2
    • xen-debugsource-4.17.6_06-150500.3.62.2
    • xen-libs-debuginfo-4.17.6_06-150500.3.62.2
    • xen-tools-domU-debuginfo-4.17.6_06-150500.3.62.2
    • xen-libs-4.17.6_06-150500.3.62.2
    • xen-tools-domU-4.17.6_06-150500.3.62.2
    • xen-4.17.6_06-150500.3.62.2
    • xen-tools-4.17.6_06-150500.3.62.2
  • SUSE Linux Enterprise High Performance Computing ESPOS 15 SP5 (noarch)
    • xen-tools-xendomains-wait-disk-4.17.6_06-150500.3.62.2
  • SUSE Linux Enterprise High Performance Computing LTSS 15 SP5 (x86_64)
    • xen-devel-4.17.6_06-150500.3.62.2
    • xen-tools-debuginfo-4.17.6_06-150500.3.62.2
    • xen-debugsource-4.17.6_06-150500.3.62.2
    • xen-libs-debuginfo-4.17.6_06-150500.3.62.2
    • xen-tools-domU-debuginfo-4.17.6_06-150500.3.62.2
    • xen-libs-4.17.6_06-150500.3.62.2
    • xen-tools-domU-4.17.6_06-150500.3.62.2
    • xen-4.17.6_06-150500.3.62.2
    • xen-tools-4.17.6_06-150500.3.62.2
  • SUSE Linux Enterprise High Performance Computing LTSS 15 SP5 (noarch)
    • xen-tools-xendomains-wait-disk-4.17.6_06-150500.3.62.2
  • SUSE Linux Enterprise Server 15 SP5 LTSS (x86_64)
    • xen-devel-4.17.6_06-150500.3.62.2
    • xen-tools-debuginfo-4.17.6_06-150500.3.62.2
    • xen-debugsource-4.17.6_06-150500.3.62.2
    • xen-libs-debuginfo-4.17.6_06-150500.3.62.2
    • xen-tools-domU-debuginfo-4.17.6_06-150500.3.62.2
    • xen-libs-4.17.6_06-150500.3.62.2
    • xen-tools-domU-4.17.6_06-150500.3.62.2
    • xen-4.17.6_06-150500.3.62.2
    • xen-tools-4.17.6_06-150500.3.62.2
  • SUSE Linux Enterprise Server 15 SP5 LTSS (noarch)
    • xen-tools-xendomains-wait-disk-4.17.6_06-150500.3.62.2
  • SUSE Linux Enterprise Server for SAP Applications 15 SP5 (x86_64)
    • xen-devel-4.17.6_06-150500.3.62.2
    • xen-tools-debuginfo-4.17.6_06-150500.3.62.2
    • xen-debugsource-4.17.6_06-150500.3.62.2
    • xen-libs-debuginfo-4.17.6_06-150500.3.62.2
    • xen-tools-domU-debuginfo-4.17.6_06-150500.3.62.2
    • xen-libs-4.17.6_06-150500.3.62.2
    • xen-tools-domU-4.17.6_06-150500.3.62.2
    • xen-4.17.6_06-150500.3.62.2
    • xen-tools-4.17.6_06-150500.3.62.2
  • SUSE Linux Enterprise Server for SAP Applications 15 SP5 (noarch)
    • xen-tools-xendomains-wait-disk-4.17.6_06-150500.3.62.2

References: