SUSE-SU-2026:1092-1: important: Security update for xen

SLE-SECURITY-UPDATES null at suse.de
Fri Mar 27 08:31:53 UTC 2026 


# Security update for xen

Announcement ID: SUSE-SU-2026:1092-1  
Release Date: 2026-03-26T17:51:51Z  
Rating: important  
References:

  * bsc#1259247

  
Cross-References:

  * CVE-2026-23554

  
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:

  * https://www.suse.com/security/cve/CVE-2026-23554.html
  * https://bugzilla.suse.com/show_bug.cgi?id=1259247

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