# Security update for xen

Announcement ID: SUSE-SU-2023:4945-1  
Rating: important  
References:

  * bsc#1027519
  * 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:

  * 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 two vulnerabilities and has one security fix can now be
installed.

## Description:

This update for xen fixes the following issues:

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

Update to Xen 4.17.3 bug fix release (bsc#1027519).

## 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 SUSE-2023-4945=1 openSUSE-SLE-15.5-2023-4945=1

  * SUSE Linux Enterprise Micro 5.5  
    zypper in -t patch SUSE-SLE-Micro-5.5-2023-4945=1

  * Basesystem Module 15-SP5  
    zypper in -t patch SUSE-SLE-Module-Basesystem-15-SP5-2023-4945=1

  * Server Applications Module 15-SP5  
    zypper in -t patch SUSE-SLE-Module-Server-Applications-15-SP5-2023-4945=1

## Package List:

  * openSUSE Leap 15.5 (aarch64 x86_64 i586)
    * xen-libs-debuginfo-4.17.3_02-150500.3.18.1
    * xen-libs-4.17.3_02-150500.3.18.1
    * xen-tools-domU-debuginfo-4.17.3_02-150500.3.18.1
    * xen-debugsource-4.17.3_02-150500.3.18.1
    * xen-devel-4.17.3_02-150500.3.18.1
    * xen-tools-domU-4.17.3_02-150500.3.18.1
  * openSUSE Leap 15.5 (x86_64)
    * xen-libs-32bit-debuginfo-4.17.3_02-150500.3.18.1
    * xen-libs-32bit-4.17.3_02-150500.3.18.1
  * openSUSE Leap 15.5 (aarch64 x86_64)
    * xen-tools-debuginfo-4.17.3_02-150500.3.18.1
    * xen-tools-4.17.3_02-150500.3.18.1
    * xen-4.17.3_02-150500.3.18.1
    * xen-doc-html-4.17.3_02-150500.3.18.1
  * openSUSE Leap 15.5 (noarch)
    * xen-tools-xendomains-wait-disk-4.17.3_02-150500.3.18.1
  * openSUSE Leap 15.5 (aarch64_ilp32)
    * xen-libs-64bit-debuginfo-4.17.3_02-150500.3.18.1
    * xen-libs-64bit-4.17.3_02-150500.3.18.1
  * SUSE Linux Enterprise Micro 5.5 (x86_64)
    * xen-libs-4.17.3_02-150500.3.18.1
    * xen-libs-debuginfo-4.17.3_02-150500.3.18.1
    * xen-debugsource-4.17.3_02-150500.3.18.1
  * Basesystem Module 15-SP5 (x86_64)
    * xen-libs-debuginfo-4.17.3_02-150500.3.18.1
    * xen-libs-4.17.3_02-150500.3.18.1
    * xen-tools-domU-debuginfo-4.17.3_02-150500.3.18.1
    * xen-debugsource-4.17.3_02-150500.3.18.1
    * xen-tools-domU-4.17.3_02-150500.3.18.1
  * Server Applications Module 15-SP5 (x86_64)
    * xen-tools-4.17.3_02-150500.3.18.1
    * xen-4.17.3_02-150500.3.18.1
    * xen-tools-debuginfo-4.17.3_02-150500.3.18.1
    * xen-debugsource-4.17.3_02-150500.3.18.1
    * xen-devel-4.17.3_02-150500.3.18.1
  * Server Applications Module 15-SP5 (noarch)
    * xen-tools-xendomains-wait-disk-4.17.3_02-150500.3.18.1

## 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=1027519
  * https://bugzilla.suse.com/show_bug.cgi?id=1216654
  * https://bugzilla.suse.com/show_bug.cgi?id=1216807

SUSE: 2023:4945-1 important: xen

December 21, 2023
* bsc#1027519 * bsc#1216654 * bsc#1216807 Cross-References:

Summary

## This update for xen fixes the following issues: * CVE-2023-46836: Fixed BTC/SRSO fixes not fully effective (bsc#1216807). * CVE-2023-46835: Fixed mismatch in IOMMU quarantine page table levels on x86/AMD (bsc#1216654). Update to Xen 4.17.3 bug fix release (bsc#1027519). ## 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 SUSE-2023-4945=1 openSUSE-SLE-15.5-2023-4945=1 * SUSE Linux Enterprise Micro 5.5 zypper in -t patch SUSE-SLE-Micro-5.5-2023-4945=1 * Basesystem Module 15-SP5 zypper in -t patch SUSE-SLE-Module-Basesystem-15-SP5-2023-4945=1 * Server Applications Module 15-SP5 zypper in -t patch SUSE-SLE-Module-Server-Applications-15-SP5-2023-4945=1 ## Package List: * openSUSE Leap 15.5 (aarch64 x86_64 i586) * xen-libs-debuginfo-4.17.3_02-150500.3.18.1 * xen-libs-4.17.3_02-150500.3.18.1 * xen-tools-domU-debuginfo-4.17.3_02-150500.3.18.1 * xen-debugsource-4.17.3_02-150500.3.18.1 * xen-devel-4.17.3_02-150500.3.18.1 * xen-tools-domU-4.17.3_02-150500.3.18.1 * openSUSE Leap 15.5 (x86_64) * xen-libs-32bit-debuginfo-4.17.3_02-150500.3.18.1 * xen-libs-32bit-4.17.3_02-150500.3.18.1 * openSUSE Leap 15.5 (aarch64 x86_64) * xen-tools-debuginfo-4.17.3_02-150500.3.18.1 * xen-tools-4.17.3_02-150500.3.18.1 * xen-4.17.3_02-150500.3.18.1 * xen-doc-html-4.17.3_02-150500.3.18.1 * openSUSE Leap 15.5 (noarch) * xen-tools-xendomains-wait-disk-4.17.3_02-150500.3.18.1 * openSUSE Leap 15.5 (aarch64_ilp32) * xen-libs-64bit-debuginfo-4.17.3_02-150500.3.18.1 * xen-libs-64bit-4.17.3_02-150500.3.18.1 * SUSE Linux Enterprise Micro 5.5 (x86_64) * xen-libs-4.17.3_02-150500.3.18.1 * xen-libs-debuginfo-4.17.3_02-150500.3.18.1 * xen-debugsource-4.17.3_02-150500.3.18.1 * Basesystem Module 15-SP5 (x86_64) * xen-libs-debuginfo-4.17.3_02-150500.3.18.1 * xen-libs-4.17.3_02-150500.3.18.1 * xen-tools-domU-debuginfo-4.17.3_02-150500.3.18.1 * xen-debugsource-4.17.3_02-150500.3.18.1 * xen-tools-domU-4.17.3_02-150500.3.18.1 * Server Applications Module 15-SP5 (x86_64) * xen-tools-4.17.3_02-150500.3.18.1 * xen-4.17.3_02-150500.3.18.1 * xen-tools-debuginfo-4.17.3_02-150500.3.18.1 * xen-debugsource-4.17.3_02-150500.3.18.1 * xen-devel-4.17.3_02-150500.3.18.1 * Server Applications Module 15-SP5 (noarch) * xen-tools-xendomains-wait-disk-4.17.3_02-150500.3.18.1

References

* bsc#1027519

* bsc#1216654

* bsc#1216807

Cross-

* 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:

* 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 two vulnerabilities and has one security fix can now be

installed.

##

* 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=1027519

* https://bugzilla.suse.com/show_bug.cgi?id=1216654

* https://bugzilla.suse.com/show_bug.cgi?id=1216807

Severity
Announcement ID: SUSE-SU-2023:4945-1
Rating: important

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