SUSE-SU-2023:3494-1: important: Security update for xen

Wed Aug 30 20:30:13 UTC 2023

# Security update for xen

Announcement ID: SUSE-SU-2023:3494-1  
Rating: important  
References:

  * #1213616
  * #1214082
  * #1214083

Cross-References:

  * CVE-2022-40982
  * CVE-2023-20569
  * CVE-2023-20593

CVSS scores:

  * CVE-2022-40982 ( SUSE ):  6.2 CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
  * CVE-2022-40982 ( NVD ):  6.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N
  * CVE-2023-20569 ( SUSE ):  5.6 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:N/A:N
  * CVE-2023-20569 ( NVD ):  7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
  * CVE-2023-20593 ( SUSE ):  6.2 CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
  * CVE-2023-20593 ( NVD ):  5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Affected Products:

  * SUSE CaaS Platform 4.0
  * SUSE Linux Enterprise High Performance Computing 15 SP1
  * SUSE Linux Enterprise High Performance Computing 15 SP1 LTSS 15-SP1
  * SUSE Linux Enterprise Server 15 SP1
  * SUSE Linux Enterprise Server 15 SP1 LTSS 15-SP1
  * SUSE Linux Enterprise Server for SAP Applications 15 SP1

An update that solves three vulnerabilities can now be installed.

## Description:

This update for xen fixes the following issues:

  * CVE-2023-20569: Fixed x86/AMD Speculative Return Stack Overflow (XSA-434)
    (bsc#1214082).
  * CVE-2022-40982: Fixed x86/Intel Gather Data Sampling (XSA-435)
    (bsc#1214083).
  * CVE-2023-20593: Fixed x86/AMD Zenbleed (XSA-433) (bsc#1213616).

## Patch Instructions:

To install this SUSE Important 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 High Performance Computing 15 SP1 LTSS 15-SP1  
    zypper in -t patch SUSE-SLE-Product-HPC-15-SP1-LTSS-2023-3494=1

  * SUSE Linux Enterprise Server 15 SP1 LTSS 15-SP1  
    zypper in -t patch SUSE-SLE-Product-SLES-15-SP1-LTSS-2023-3494=1

  * SUSE Linux Enterprise Server for SAP Applications 15 SP1  
    zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-SP1-2023-3494=1

  * SUSE CaaS Platform 4.0  
To install this update, use the SUSE CaaS Platform 'skuba' tool. It will inform
you if it detects new updates and let you then trigger updating of the complete
cluster in a controlled way.

## Package List:

  * SUSE Linux Enterprise High Performance Computing 15 SP1 LTSS 15-SP1 (x86_64)
    * xen-libs-debuginfo-4.12.4_36-150100.3.89.1
    * xen-debugsource-4.12.4_36-150100.3.89.1
    * xen-devel-4.12.4_36-150100.3.89.1
    * xen-libs-4.12.4_36-150100.3.89.1
    * xen-tools-4.12.4_36-150100.3.89.1
    * xen-tools-debuginfo-4.12.4_36-150100.3.89.1
    * xen-tools-domU-4.12.4_36-150100.3.89.1
    * xen-4.12.4_36-150100.3.89.1
    * xen-tools-domU-debuginfo-4.12.4_36-150100.3.89.1
  * SUSE Linux Enterprise Server 15 SP1 LTSS 15-SP1 (x86_64)
    * xen-libs-debuginfo-4.12.4_36-150100.3.89.1
    * xen-debugsource-4.12.4_36-150100.3.89.1
    * xen-devel-4.12.4_36-150100.3.89.1
    * xen-libs-4.12.4_36-150100.3.89.1
    * xen-tools-4.12.4_36-150100.3.89.1
    * xen-tools-debuginfo-4.12.4_36-150100.3.89.1
    * xen-tools-domU-4.12.4_36-150100.3.89.1
    * xen-4.12.4_36-150100.3.89.1
    * xen-tools-domU-debuginfo-4.12.4_36-150100.3.89.1
  * SUSE Linux Enterprise Server for SAP Applications 15 SP1 (x86_64)
    * xen-libs-debuginfo-4.12.4_36-150100.3.89.1
    * xen-debugsource-4.12.4_36-150100.3.89.1
    * xen-devel-4.12.4_36-150100.3.89.1
    * xen-libs-4.12.4_36-150100.3.89.1
    * xen-tools-4.12.4_36-150100.3.89.1
    * xen-tools-debuginfo-4.12.4_36-150100.3.89.1
    * xen-tools-domU-4.12.4_36-150100.3.89.1
    * xen-4.12.4_36-150100.3.89.1
    * xen-tools-domU-debuginfo-4.12.4_36-150100.3.89.1
  * SUSE CaaS Platform 4.0 (x86_64)
    * xen-libs-debuginfo-4.12.4_36-150100.3.89.1
    * xen-debugsource-4.12.4_36-150100.3.89.1
    * xen-devel-4.12.4_36-150100.3.89.1
    * xen-libs-4.12.4_36-150100.3.89.1
    * xen-tools-4.12.4_36-150100.3.89.1
    * xen-tools-debuginfo-4.12.4_36-150100.3.89.1
    * xen-tools-domU-4.12.4_36-150100.3.89.1
    * xen-4.12.4_36-150100.3.89.1
    * xen-tools-domU-debuginfo-4.12.4_36-150100.3.89.1

## References:

  * https://www.suse.com/security/cve/CVE-2022-40982.html
  * https://www.suse.com/security/cve/CVE-2023-20569.html
  * https://www.suse.com/security/cve/CVE-2023-20593.html
  * https://bugzilla.suse.com/show_bug.cgi?id=1213616
  * https://bugzilla.suse.com/show_bug.cgi?id=1214082
  * https://bugzilla.suse.com/show_bug.cgi?id=1214083

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