# Security update for xen

Announcement ID: SUSE-SU-2023:4486-1  
Rating: important  
References:

  * bsc#1216654
  * bsc#1216807

  
Cross-References:

  * CVE-2023-46835
  * CVE-2023-46836

  
CVSS scores:

  * CVE-2023-46835 ( SUSE ):  6.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N
  * CVE-2023-46836 ( SUSE ):  5.1 CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N

  
Affected Products:

  * SUSE Linux Enterprise High Performance Computing 12 SP5
  * SUSE Linux Enterprise Server 12 SP5
  * SUSE Linux Enterprise Server for SAP Applications 12 SP5
  * SUSE Linux Enterprise Software Development Kit 12 SP5

  
  
An update that solves two vulnerabilities can now be installed.

## Description:

This update for xen fixes the following issues:

  * CVE-2023-46835: x86/AMD: mismatch in IOMMU quarantine page table levels
    (XSA-445) (bsc#1216654).
  * CVE-2023-46836: x86: BTC/SRSO fixes not fully effective (XSA-446)
    (bsc#1216807).

## 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 Software Development Kit 12 SP5  
    zypper in -t patch SUSE-SLE-SDK-12-SP5-2023-4486=1

  * SUSE Linux Enterprise Server for SAP Applications 12 SP5  
    zypper in -t patch SUSE-SLE-SERVER-12-SP5-2023-4486=1

  * SUSE Linux Enterprise High Performance Computing 12 SP5  
    zypper in -t patch SUSE-SLE-SERVER-12-SP5-2023-4486=1

  * SUSE Linux Enterprise Server 12 SP5  
    zypper in -t patch SUSE-SLE-SERVER-12-SP5-2023-4486=1

## Package List:

  * SUSE Linux Enterprise Software Development Kit 12 SP5 (aarch64 x86_64)
    * xen-devel-4.12.4_42-3.100.1
    * xen-debugsource-4.12.4_42-3.100.1
  * SUSE Linux Enterprise Server for SAP Applications 12 SP5 (x86_64)
    * xen-4.12.4_42-3.100.1
    * xen-libs-debuginfo-4.12.4_42-3.100.1
    * xen-tools-4.12.4_42-3.100.1
    * xen-libs-debuginfo-32bit-4.12.4_42-3.100.1
    * xen-libs-32bit-4.12.4_42-3.100.1
    * xen-debugsource-4.12.4_42-3.100.1
    * xen-tools-domU-debuginfo-4.12.4_42-3.100.1
    * xen-doc-html-4.12.4_42-3.100.1
    * xen-libs-4.12.4_42-3.100.1
    * xen-tools-domU-4.12.4_42-3.100.1
    * xen-tools-debuginfo-4.12.4_42-3.100.1
  * SUSE Linux Enterprise High Performance Computing 12 SP5 (x86_64)
    * xen-4.12.4_42-3.100.1
    * xen-libs-debuginfo-4.12.4_42-3.100.1
    * xen-tools-4.12.4_42-3.100.1
    * xen-libs-debuginfo-32bit-4.12.4_42-3.100.1
    * xen-libs-32bit-4.12.4_42-3.100.1
    * xen-debugsource-4.12.4_42-3.100.1
    * xen-tools-domU-debuginfo-4.12.4_42-3.100.1
    * xen-doc-html-4.12.4_42-3.100.1
    * xen-libs-4.12.4_42-3.100.1
    * xen-tools-domU-4.12.4_42-3.100.1
    * xen-tools-debuginfo-4.12.4_42-3.100.1
  * SUSE Linux Enterprise Server 12 SP5 (x86_64)
    * xen-4.12.4_42-3.100.1
    * xen-libs-debuginfo-4.12.4_42-3.100.1
    * xen-tools-4.12.4_42-3.100.1
    * xen-libs-debuginfo-32bit-4.12.4_42-3.100.1
    * xen-libs-32bit-4.12.4_42-3.100.1
    * xen-debugsource-4.12.4_42-3.100.1
    * xen-tools-domU-debuginfo-4.12.4_42-3.100.1
    * xen-doc-html-4.12.4_42-3.100.1
    * xen-libs-4.12.4_42-3.100.1
    * xen-tools-domU-4.12.4_42-3.100.1
    * xen-tools-debuginfo-4.12.4_42-3.100.1

## References:

  * https://www.suse.com/security/cve/CVE-2023-46835.html
  * https://www.suse.com/security/cve/CVE-2023-46836.html
  * https://bugzilla.suse.com/show_bug.cgi?id=1216654
  * https://bugzilla.suse.com/show_bug.cgi?id=1216807