SUSE-SU-2026:5139-1: important: Security update for xen

[SLE-SECURITY-UPDATES]

# Security update for xen

Announcement ID: SUSE-SU-2026:5139-1  
Release Date: 2026-11-09T13:02:56Z  
Rating: important  
References:

  * bsc#1288663

  
Cross-References:

  * CVE-2026-102703
  * CVE-2026-102704

  
CVSS scores:

  * CVE-2026-102703 ( SUSE ):  8.4
    CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N
  * CVE-2026-102703 ( SUSE ):  7.1 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
  * CVE-2026-102703 ( NVD ):  4.4 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N
  * CVE-2026-102704 ( SUSE ):  8.4
    CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N
  * CVE-2026-102704 ( SUSE ):  7.1 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
  * CVE-2026-102704 ( NVD ):  4.4 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N

  
Affected Products:

  * SUSE Linux Enterprise High Performance Computing 12 SP5
  * SUSE Linux Enterprise Server 12 SP5
  * SUSE Linux Enterprise Server 12 SP5 LTSS
  * SUSE Linux Enterprise Server 12 SP5 LTSS Extended Security
  * SUSE Linux Enterprise Server for SAP Applications 12 SP5

  
  
An update that solves two vulnerabilities can now be installed.

## Description:

This update for xen fixes the following issue:

  * CVE-2026-102703,CVE-2026-102704: arbitrary read/write via grant copy
    (bsc#1288663).

## 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:

  * SUSE Linux Enterprise Server 12 SP5 LTSS  
    zypper in -t patch SUSE-SLE-SERVER-12-SP5-LTSS-2026-5139

  * SUSE Linux Enterprise Server 12 SP5 LTSS Extended Security  
    zypper in -t patch SUSE-SLE-SERVER-12-SP5-LTSS-EXTENDED-SECURITY-2026-5139

## Package List:

  * SUSE Linux Enterprise Server 12 SP5 LTSS (x86_64)
    * xen-tools-debuginfo-4.12.4_78-3.157.1
    * xen-libs-debuginfo-32bit-4.12.4_78-3.157.1
    * xen-4.12.4_78-3.157.1
    * xen-tools-domU-debuginfo-4.12.4_78-3.157.1
    * xen-doc-html-4.12.4_78-3.157.1
    * xen-debugsource-4.12.4_78-3.157.1
    * xen-libs-32bit-4.12.4_78-3.157.1
    * xen-devel-4.12.4_78-3.157.1
    * xen-tools-domU-4.12.4_78-3.157.1
    * xen-libs-debuginfo-4.12.4_78-3.157.1
    * xen-libs-4.12.4_78-3.157.1
    * xen-tools-4.12.4_78-3.157.1
  * SUSE Linux Enterprise Server 12 SP5 LTSS Extended Security (x86_64)
    * xen-tools-debuginfo-4.12.4_78-3.157.1
    * xen-libs-debuginfo-32bit-4.12.4_78-3.157.1
    * xen-4.12.4_78-3.157.1
    * xen-tools-domU-debuginfo-4.12.4_78-3.157.1
    * xen-doc-html-4.12.4_78-3.157.1
    * xen-debugsource-4.12.4_78-3.157.1
    * xen-libs-32bit-4.12.4_78-3.157.1
    * xen-devel-4.12.4_78-3.157.1
    * xen-tools-domU-4.12.4_78-3.157.1
    * xen-libs-debuginfo-4.12.4_78-3.157.1
    * xen-libs-4.12.4_78-3.157.1
    * xen-tools-4.12.4_78-3.157.1

## References:

  * https://www.suse.com/security/cve/CVE-2026-102703.html
  * https://www.suse.com/security/cve/CVE-2026-102704.html
  * https://bugzilla.suse.com/show_bug.cgi?id=1288663

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