SUSE-SU-2023:3832-1: important: Security update for xen

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Wed Sep 27 20:30:50 UTC 2023 


# Security update for xen

Announcement ID: SUSE-SU-2023:3832-1  
Rating: important  
References:

  * #1215145
  * #1215474

  
Cross-References:

  * CVE-2023-20588
  * CVE-2023-34322

  
CVSS scores:

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

  
Affected Products:

  * Basesystem Module 15-SP4
  * openSUSE Leap 15.4
  * Server Applications Module 15-SP4
  * SUSE Linux Enterprise Desktop 15 SP4
  * SUSE Linux Enterprise High Performance Computing 15 SP4
  * SUSE Linux Enterprise Micro 5.3
  * SUSE Linux Enterprise Micro 5.4
  * SUSE Linux Enterprise Micro for Rancher 5.3
  * SUSE Linux Enterprise Micro for Rancher 5.4
  * SUSE Linux Enterprise Real Time 15 SP4
  * SUSE Linux Enterprise Server 15 SP4
  * SUSE Linux Enterprise Server for SAP Applications 15 SP4
  * SUSE Manager Proxy 4.3
  * SUSE Manager Retail Branch Server 4.3
  * SUSE Manager Server 4.3

  
  
An update that solves two 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).

## 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 15.4  
    zypper in -t patch SUSE-2023-3832=1 openSUSE-SLE-15.4-2023-3832=1

  * SUSE Linux Enterprise Micro for Rancher 5.3  
    zypper in -t patch SUSE-SLE-Micro-5.3-2023-3832=1

  * SUSE Linux Enterprise Micro 5.3  
    zypper in -t patch SUSE-SLE-Micro-5.3-2023-3832=1

  * SUSE Linux Enterprise Micro for Rancher 5.4  
    zypper in -t patch SUSE-SLE-Micro-5.4-2023-3832=1

  * SUSE Linux Enterprise Micro 5.4  
    zypper in -t patch SUSE-SLE-Micro-5.4-2023-3832=1

  * Basesystem Module 15-SP4  
    zypper in -t patch SUSE-SLE-Module-Basesystem-15-SP4-2023-3832=1

  * Server Applications Module 15-SP4  
    zypper in -t patch SUSE-SLE-Module-Server-Applications-15-SP4-2023-3832=1

## Package List:

  * openSUSE Leap 15.4 (aarch64 x86_64 i586)
    * xen-libs-4.16.5_04-150400.4.34.1
    * xen-devel-4.16.5_04-150400.4.34.1
    * xen-tools-domU-debuginfo-4.16.5_04-150400.4.34.1
    * xen-debugsource-4.16.5_04-150400.4.34.1
    * xen-tools-domU-4.16.5_04-150400.4.34.1
    * xen-libs-debuginfo-4.16.5_04-150400.4.34.1
  * openSUSE Leap 15.4 (x86_64)
    * xen-libs-32bit-4.16.5_04-150400.4.34.1
    * xen-libs-32bit-debuginfo-4.16.5_04-150400.4.34.1
  * openSUSE Leap 15.4 (aarch64 x86_64)
    * xen-tools-4.16.5_04-150400.4.34.1
    * xen-tools-debuginfo-4.16.5_04-150400.4.34.1
    * xen-4.16.5_04-150400.4.34.1
    * xen-doc-html-4.16.5_04-150400.4.34.1
  * openSUSE Leap 15.4 (noarch)
    * xen-tools-xendomains-wait-disk-4.16.5_04-150400.4.34.1
  * openSUSE Leap 15.4 (aarch64_ilp32)
    * xen-libs-64bit-4.16.5_04-150400.4.34.1
    * xen-libs-64bit-debuginfo-4.16.5_04-150400.4.34.1
  * SUSE Linux Enterprise Micro for Rancher 5.3 (x86_64)
    * xen-libs-4.16.5_04-150400.4.34.1
    * xen-debugsource-4.16.5_04-150400.4.34.1
    * xen-libs-debuginfo-4.16.5_04-150400.4.34.1
  * SUSE Linux Enterprise Micro 5.3 (x86_64)
    * xen-libs-4.16.5_04-150400.4.34.1
    * xen-debugsource-4.16.5_04-150400.4.34.1
    * xen-libs-debuginfo-4.16.5_04-150400.4.34.1
  * SUSE Linux Enterprise Micro for Rancher 5.4 (x86_64)
    * xen-libs-4.16.5_04-150400.4.34.1
    * xen-debugsource-4.16.5_04-150400.4.34.1
    * xen-libs-debuginfo-4.16.5_04-150400.4.34.1
  * SUSE Linux Enterprise Micro 5.4 (x86_64)
    * xen-libs-4.16.5_04-150400.4.34.1
    * xen-debugsource-4.16.5_04-150400.4.34.1
    * xen-libs-debuginfo-4.16.5_04-150400.4.34.1
  * Basesystem Module 15-SP4 (x86_64)
    * xen-libs-4.16.5_04-150400.4.34.1
    * xen-debugsource-4.16.5_04-150400.4.34.1
    * xen-libs-debuginfo-4.16.5_04-150400.4.34.1
    * xen-tools-domU-4.16.5_04-150400.4.34.1
    * xen-tools-domU-debuginfo-4.16.5_04-150400.4.34.1
  * Server Applications Module 15-SP4 (x86_64)
    * xen-devel-4.16.5_04-150400.4.34.1
    * xen-tools-debuginfo-4.16.5_04-150400.4.34.1
    * xen-debugsource-4.16.5_04-150400.4.34.1
    * xen-4.16.5_04-150400.4.34.1
    * xen-tools-4.16.5_04-150400.4.34.1
  * Server Applications Module 15-SP4 (noarch)
    * xen-tools-xendomains-wait-disk-4.16.5_04-150400.4.34.1

## References:

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

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