SUSE-SU-2024:1295-1: moderate: Security update for xen

Mon Apr 15 20:30:09 UTC 2024

# Security update for xen

Announcement ID: SUSE-SU-2024:1295-1  
Rating: moderate  
References:

  * bsc#1027519
  * bsc#1221984
  * bsc#1222302
  * bsc#1222453

Cross-References:

  * CVE-2023-46842
  * CVE-2024-2201
  * CVE-2024-31142

CVSS scores:

  * CVE-2023-46842 ( SUSE ):  6.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H
  * CVE-2024-2201 ( SUSE ):  5.1 CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
  * CVE-2024-31142 ( SUSE ):  5.1 CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:N/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 three vulnerabilities and has one security fix can now be
installed.

## Description:

This update for xen fixes the following issues:

  * CVE-2023-46842: Fixed denial of service due to Xen bug check triggered by
    HVM hypercalls (XSA-454) in xen x86 (bsc#1221984)
  * CVE-2024-31142: Fixed incorrect logic for BTC/SRSO mitigations (XSA-455) in
    xen x86 (bsc#1222302)
  * CVE-2024-2201: Fixed memory disclosure via Native Branch History Injection
    (XSA-456) in xen x86 (bsc#1222453)

Other fixes:

  * Update to Xen 4.17.4 (bsc#1027519)

## 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 openSUSE-SLE-15.5-2024-1295=1 SUSE-2024-1295=1

  * SUSE Linux Enterprise Micro 5.5  
    zypper in -t patch SUSE-SLE-Micro-5.5-2024-1295=1

  * Basesystem Module 15-SP5  
    zypper in -t patch SUSE-SLE-Module-Basesystem-15-SP5-2024-1295=1

  * Server Applications Module 15-SP5  
    zypper in -t patch SUSE-SLE-Module-Server-Applications-15-SP5-2024-1295=1

## Package List:

  * openSUSE Leap 15.5 (aarch64 x86_64)
    * xen-tools-debuginfo-4.17.4_02-150500.3.30.1
    * xen-tools-4.17.4_02-150500.3.30.1
    * xen-doc-html-4.17.4_02-150500.3.30.1
    * xen-4.17.4_02-150500.3.30.1
  * openSUSE Leap 15.5 (aarch64 x86_64 i586)
    * xen-libs-debuginfo-4.17.4_02-150500.3.30.1
    * xen-devel-4.17.4_02-150500.3.30.1
    * xen-debugsource-4.17.4_02-150500.3.30.1
    * xen-tools-domU-4.17.4_02-150500.3.30.1
    * xen-libs-4.17.4_02-150500.3.30.1
    * xen-tools-domU-debuginfo-4.17.4_02-150500.3.30.1
  * openSUSE Leap 15.5 (x86_64)
    * xen-libs-32bit-debuginfo-4.17.4_02-150500.3.30.1
    * xen-libs-32bit-4.17.4_02-150500.3.30.1
  * openSUSE Leap 15.5 (noarch)
    * xen-tools-xendomains-wait-disk-4.17.4_02-150500.3.30.1
  * openSUSE Leap 15.5 (aarch64_ilp32)
    * xen-libs-64bit-debuginfo-4.17.4_02-150500.3.30.1
    * xen-libs-64bit-4.17.4_02-150500.3.30.1
  * SUSE Linux Enterprise Micro 5.5 (x86_64)
    * xen-libs-4.17.4_02-150500.3.30.1
    * xen-debugsource-4.17.4_02-150500.3.30.1
    * xen-libs-debuginfo-4.17.4_02-150500.3.30.1
  * Basesystem Module 15-SP5 (x86_64)
    * xen-libs-debuginfo-4.17.4_02-150500.3.30.1
    * xen-debugsource-4.17.4_02-150500.3.30.1
    * xen-tools-domU-4.17.4_02-150500.3.30.1
    * xen-libs-4.17.4_02-150500.3.30.1
    * xen-tools-domU-debuginfo-4.17.4_02-150500.3.30.1
  * Server Applications Module 15-SP5 (x86_64)
    * xen-devel-4.17.4_02-150500.3.30.1
    * xen-debugsource-4.17.4_02-150500.3.30.1
    * xen-tools-debuginfo-4.17.4_02-150500.3.30.1
    * xen-tools-4.17.4_02-150500.3.30.1
    * xen-4.17.4_02-150500.3.30.1
  * Server Applications Module 15-SP5 (noarch)
    * xen-tools-xendomains-wait-disk-4.17.4_02-150500.3.30.1

## References:

  * https://www.suse.com/security/cve/CVE-2023-46842.html
  * https://www.suse.com/security/cve/CVE-2024-2201.html
  * https://www.suse.com/security/cve/CVE-2024-31142.html
  * https://bugzilla.suse.com/show_bug.cgi?id=1027519
  * https://bugzilla.suse.com/show_bug.cgi?id=1221984
  * https://bugzilla.suse.com/show_bug.cgi?id=1222302
  * https://bugzilla.suse.com/show_bug.cgi?id=1222453

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