# Security update for xen

Announcement ID: SUSE-SU-2024:0266-1  
Rating: moderate  
References:

  * bsc#1218851
  * bsc#1219080

  
Cross-References:

  * CVE-2023-46839
  * CVE-2023-46840

  
CVSS scores:

  * CVE-2023-46839 ( SUSE ):  4.1 CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:N/A:N
  * CVE-2023-46840 ( SUSE ):  4.1 CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:N/I:H/A:N

  
Affected Products:

  * Basesystem Module 15-SP5
  * openSUSE Leap 15.5
  * Server Applications Module 15-SP5
  * SUSE Linux Enterprise Desktop 15 SP5
  * SUSE Linux Enterprise High Performance Computing 15 SP5
  * SUSE Linux Enterprise Micro 5.5
  * SUSE Linux Enterprise Real Time 15 SP5
  * SUSE Linux Enterprise Server 15 SP5
  * SUSE Linux Enterprise Server for SAP Applications 15 SP5

  
  
An update that solves two vulnerabilities can now be installed.

## Description:

This update for xen fixes the following issues:

  * CVE-2023-46839: Fixed phantom functions assigned to incorrect contexts
    (XSA-449) (bsc#1218851)
  * CVE-2023-46840: Fixed VT-d: Failure to quarantine devices in !HVM builds
    (XSA-450) (bsc#1219080)

## 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:

  * openSUSE Leap 15.5  
    zypper in -t patch SUSE-2024-266=1 openSUSE-SLE-15.5-2024-266=1

  * SUSE Linux Enterprise Micro 5.5  
    zypper in -t patch SUSE-SLE-Micro-5.5-2024-266=1

  * Basesystem Module 15-SP5  
    zypper in -t patch SUSE-SLE-Module-Basesystem-15-SP5-2024-266=1

  * Server Applications Module 15-SP5  
    zypper in -t patch SUSE-SLE-Module-Server-Applications-15-SP5-2024-266=1

## Package List:

  * openSUSE Leap 15.5 (aarch64 x86_64 i586)
    * xen-tools-domU-debuginfo-4.17.3_04-150500.3.21.1
    * xen-debugsource-4.17.3_04-150500.3.21.1
    * xen-libs-4.17.3_04-150500.3.21.1
    * xen-libs-debuginfo-4.17.3_04-150500.3.21.1
    * xen-devel-4.17.3_04-150500.3.21.1
    * xen-tools-domU-4.17.3_04-150500.3.21.1
  * openSUSE Leap 15.5 (x86_64)
    * xen-libs-32bit-debuginfo-4.17.3_04-150500.3.21.1
    * xen-libs-32bit-4.17.3_04-150500.3.21.1
  * openSUSE Leap 15.5 (aarch64 x86_64)
    * xen-tools-debuginfo-4.17.3_04-150500.3.21.1
    * xen-4.17.3_04-150500.3.21.1
    * xen-tools-4.17.3_04-150500.3.21.1
    * xen-doc-html-4.17.3_04-150500.3.21.1
  * openSUSE Leap 15.5 (noarch)
    * xen-tools-xendomains-wait-disk-4.17.3_04-150500.3.21.1
  * openSUSE Leap 15.5 (aarch64_ilp32)
    * xen-libs-64bit-debuginfo-4.17.3_04-150500.3.21.1
    * xen-libs-64bit-4.17.3_04-150500.3.21.1
  * SUSE Linux Enterprise Micro 5.5 (x86_64)
    * xen-libs-debuginfo-4.17.3_04-150500.3.21.1
    * xen-debugsource-4.17.3_04-150500.3.21.1
    * xen-libs-4.17.3_04-150500.3.21.1
  * Basesystem Module 15-SP5 (x86_64)
    * xen-tools-domU-debuginfo-4.17.3_04-150500.3.21.1
    * xen-debugsource-4.17.3_04-150500.3.21.1
    * xen-libs-4.17.3_04-150500.3.21.1
    * xen-libs-debuginfo-4.17.3_04-150500.3.21.1
    * xen-tools-domU-4.17.3_04-150500.3.21.1
  * Server Applications Module 15-SP5 (x86_64)
    * xen-4.17.3_04-150500.3.21.1
    * xen-debugsource-4.17.3_04-150500.3.21.1
    * xen-devel-4.17.3_04-150500.3.21.1
    * xen-tools-4.17.3_04-150500.3.21.1
    * xen-tools-debuginfo-4.17.3_04-150500.3.21.1
  * Server Applications Module 15-SP5 (noarch)
    * xen-tools-xendomains-wait-disk-4.17.3_04-150500.3.21.1

## References:

  * https://www.suse.com/security/cve/CVE-2023-46839.html
  * https://www.suse.com/security/cve/CVE-2023-46840.html
  * https://bugzilla.suse.com/show_bug.cgi?id=1218851
  * https://bugzilla.suse.com/show_bug.cgi?id=1219080