SUSE-SU-2023:3902-1: important: Security update for xen

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Fri Sep 29 16:30:07 UTC 2023 


# Security update for xen

Announcement ID: SUSE-SU-2023:3902-1  
Rating: important  
References:

  * #1213616
  * #1214083
  * #1215145
  * #1215474

  
Cross-References:

  * CVE-2022-40982
  * CVE-2023-20588
  * CVE-2023-20593
  * CVE-2023-34322

  
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-2023-20588 ( SUSE ):  6.0 CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:N/A:N
  * CVE-2023-20588 ( NVD ):  5.5 CVSS:3.1/AV:L/AC:L/PR:L/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
  * CVE-2023-34322 ( SUSE ):  7.5 CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H

  
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 four vulnerabilities can now be installed.

## Description:

This update for xen fixes the following issues:

  * CVE-2023-20588: Fixed AMD CPU transitional execution leak via division by
    zero (XSA-439) (bsc#1215474).
  * CVE-2023-34322: Fixed top-level shadow reference dropped too early for
    64-bit PV guests (XSA-438) (bsc#1215145).
  * CVE-2023-20593: Fixed AMD Zenbleed (XSA-433) (bsc#1213616).
  * CVE-2022-40982: Fixed Intel Gather Data Sampling (XSA-435) (bsc#1214083).

## 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 High Performance Computing 15 SP1 LTSS 15-SP1  
    zypper in -t patch SUSE-SLE-Product-HPC-15-SP1-LTSS-2023-3902=1

  * SUSE Linux Enterprise Server 15 SP1 LTSS 15-SP1  
    zypper in -t patch SUSE-SLE-Product-SLES-15-SP1-LTSS-2023-3902=1

  * SUSE Linux Enterprise Server for SAP Applications 15 SP1  
    zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-SP1-2023-3902=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-4.12.4_38-150100.3.92.1
    * xen-tools-debuginfo-4.12.4_38-150100.3.92.1
    * xen-libs-debuginfo-4.12.4_38-150100.3.92.1
    * xen-tools-4.12.4_38-150100.3.92.1
    * xen-4.12.4_38-150100.3.92.1
    * xen-debugsource-4.12.4_38-150100.3.92.1
    * xen-tools-domU-debuginfo-4.12.4_38-150100.3.92.1
    * xen-tools-domU-4.12.4_38-150100.3.92.1
    * xen-devel-4.12.4_38-150100.3.92.1
  * SUSE Linux Enterprise Server 15 SP1 LTSS 15-SP1 (x86_64)
    * xen-libs-4.12.4_38-150100.3.92.1
    * xen-tools-debuginfo-4.12.4_38-150100.3.92.1
    * xen-libs-debuginfo-4.12.4_38-150100.3.92.1
    * xen-tools-4.12.4_38-150100.3.92.1
    * xen-4.12.4_38-150100.3.92.1
    * xen-debugsource-4.12.4_38-150100.3.92.1
    * xen-tools-domU-debuginfo-4.12.4_38-150100.3.92.1
    * xen-tools-domU-4.12.4_38-150100.3.92.1
    * xen-devel-4.12.4_38-150100.3.92.1
  * SUSE Linux Enterprise Server for SAP Applications 15 SP1 (x86_64)
    * xen-libs-4.12.4_38-150100.3.92.1
    * xen-tools-debuginfo-4.12.4_38-150100.3.92.1
    * xen-libs-debuginfo-4.12.4_38-150100.3.92.1
    * xen-tools-4.12.4_38-150100.3.92.1
    * xen-4.12.4_38-150100.3.92.1
    * xen-debugsource-4.12.4_38-150100.3.92.1
    * xen-tools-domU-debuginfo-4.12.4_38-150100.3.92.1
    * xen-tools-domU-4.12.4_38-150100.3.92.1
    * xen-devel-4.12.4_38-150100.3.92.1
  * SUSE CaaS Platform 4.0 (x86_64)
    * xen-libs-4.12.4_38-150100.3.92.1
    * xen-tools-debuginfo-4.12.4_38-150100.3.92.1
    * xen-libs-debuginfo-4.12.4_38-150100.3.92.1
    * xen-tools-4.12.4_38-150100.3.92.1
    * xen-4.12.4_38-150100.3.92.1
    * xen-debugsource-4.12.4_38-150100.3.92.1
    * xen-tools-domU-debuginfo-4.12.4_38-150100.3.92.1
    * xen-tools-domU-4.12.4_38-150100.3.92.1
    * xen-devel-4.12.4_38-150100.3.92.1

## References:

  * https://www.suse.com/security/cve/CVE-2022-40982.html
  * https://www.suse.com/security/cve/CVE-2023-20588.html
  * https://www.suse.com/security/cve/CVE-2023-20593.html
  * https://www.suse.com/security/cve/CVE-2023-34322.html
  * https://bugzilla.suse.com/show_bug.cgi?id=1213616
  * https://bugzilla.suse.com/show_bug.cgi?id=1214083
  * https://bugzilla.suse.com/show_bug.cgi?id=1215145
  * https://bugzilla.suse.com/show_bug.cgi?id=1215474

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