# Security update for xen

Announcement ID: SUSE-SU-2023:4185-1  
Rating: important  
References:

  * bsc#1215744
  * bsc#1215746
  * bsc#1215747
  * bsc#1215748

  
Cross-References:

  * CVE-2023-34323
  * CVE-2023-34325
  * CVE-2023-34326
  * CVE-2023-34327
  * CVE-2023-34328

  
CVSS scores:

  * CVE-2023-34323 ( SUSE ):  5.7 CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
  * CVE-2023-34325 ( SUSE ):  5.5 CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
  * CVE-2023-34326 ( SUSE ):  8.8 CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
  * CVE-2023-34327 ( SUSE ):  5.7 CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
  * CVE-2023-34328 ( SUSE ):  5.7 CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

  
Affected Products:

  * SUSE Linux Enterprise High Performance Computing 12 SP5
  * SUSE Linux Enterprise Server 12 SP5
  * SUSE Linux Enterprise Server for SAP Applications 12 SP5
  * SUSE Linux Enterprise Software Development Kit 12 SP5

  
  
An update that solves five vulnerabilities can now be installed.

## Description:

This update for xen fixes the following issues:

  * CVE-2023-34323: Fixed a potential crash in C Xenstored due to an incorrect
    assertion (XSA-440) (bsc#1215744).
  * CVE-2023-34326: Fixed a missing IOMMU TLB flush on x86 AMD systems with
    IOMMU hardware and PCI passthrough enabled (XSA-442) (bsc#1215746).
  * CVE-2023-34325: Fixed multiple parsing issues in libfsimage (XSA-443)
    (bsc#1215747).
  * CVE-2023-34327, CVE-2023-34328: Fixed multiple issues with AMD x86 debugging
    functionality for guests (XSA-444) (bsc#1215748).

## 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 Software Development Kit 12 SP5  
    zypper in -t patch SUSE-SLE-SDK-12-SP5-2023-4185=1

  * SUSE Linux Enterprise Server for SAP Applications 12 SP5  
    zypper in -t patch SUSE-SLE-SERVER-12-SP5-2023-4185=1

  * SUSE Linux Enterprise High Performance Computing 12 SP5  
    zypper in -t patch SUSE-SLE-SERVER-12-SP5-2023-4185=1

  * SUSE Linux Enterprise Server 12 SP5  
    zypper in -t patch SUSE-SLE-SERVER-12-SP5-2023-4185=1

## Package List:

  * SUSE Linux Enterprise Software Development Kit 12 SP5 (aarch64 x86_64)
    * xen-devel-4.12.4_40-3.97.1
    * xen-debugsource-4.12.4_40-3.97.1
  * SUSE Linux Enterprise Server for SAP Applications 12 SP5 (x86_64)
    * xen-libs-debuginfo-4.12.4_40-3.97.1
    * xen-libs-4.12.4_40-3.97.1
    * xen-4.12.4_40-3.97.1
    * xen-tools-domU-debuginfo-4.12.4_40-3.97.1
    * xen-tools-debuginfo-4.12.4_40-3.97.1
    * xen-libs-32bit-4.12.4_40-3.97.1
    * xen-debugsource-4.12.4_40-3.97.1
    * xen-libs-debuginfo-32bit-4.12.4_40-3.97.1
    * xen-doc-html-4.12.4_40-3.97.1
    * xen-tools-4.12.4_40-3.97.1
    * xen-tools-domU-4.12.4_40-3.97.1
  * SUSE Linux Enterprise High Performance Computing 12 SP5 (x86_64)
    * xen-libs-debuginfo-4.12.4_40-3.97.1
    * xen-libs-4.12.4_40-3.97.1
    * xen-4.12.4_40-3.97.1
    * xen-tools-domU-debuginfo-4.12.4_40-3.97.1
    * xen-tools-debuginfo-4.12.4_40-3.97.1
    * xen-libs-32bit-4.12.4_40-3.97.1
    * xen-debugsource-4.12.4_40-3.97.1
    * xen-libs-debuginfo-32bit-4.12.4_40-3.97.1
    * xen-doc-html-4.12.4_40-3.97.1
    * xen-tools-4.12.4_40-3.97.1
    * xen-tools-domU-4.12.4_40-3.97.1
  * SUSE Linux Enterprise Server 12 SP5 (x86_64)
    * xen-libs-debuginfo-4.12.4_40-3.97.1
    * xen-libs-4.12.4_40-3.97.1
    * xen-4.12.4_40-3.97.1
    * xen-tools-domU-debuginfo-4.12.4_40-3.97.1
    * xen-tools-debuginfo-4.12.4_40-3.97.1
    * xen-libs-32bit-4.12.4_40-3.97.1
    * xen-debugsource-4.12.4_40-3.97.1
    * xen-libs-debuginfo-32bit-4.12.4_40-3.97.1
    * xen-doc-html-4.12.4_40-3.97.1
    * xen-tools-4.12.4_40-3.97.1
    * xen-tools-domU-4.12.4_40-3.97.1

## References:

  * https://www.suse.com/security/cve/CVE-2023-34323.html
  * https://www.suse.com/security/cve/CVE-2023-34325.html
  * https://www.suse.com/security/cve/CVE-2023-34326.html
  * https://www.suse.com/security/cve/CVE-2023-34327.html
  * https://www.suse.com/security/cve/CVE-2023-34328.html
  * https://bugzilla.suse.com/show_bug.cgi?id=1215744
  * https://bugzilla.suse.com/show_bug.cgi?id=1215746
  * https://bugzilla.suse.com/show_bug.cgi?id=1215747
  * https://bugzilla.suse.com/show_bug.cgi?id=1215748

SUSE: 2023:4185-1 important: xen

October 24, 2023
* bsc#1215744 * bsc#1215746 * bsc#1215747 * bsc#1215748

Summary

## This update for xen fixes the following issues: * CVE-2023-34323: Fixed a potential crash in C Xenstored due to an incorrect assertion (XSA-440) (bsc#1215744). * CVE-2023-34326: Fixed a missing IOMMU TLB flush on x86 AMD systems with IOMMU hardware and PCI passthrough enabled (XSA-442) (bsc#1215746). * CVE-2023-34325: Fixed multiple parsing issues in libfsimage (XSA-443) (bsc#1215747). * CVE-2023-34327, CVE-2023-34328: Fixed multiple issues with AMD x86 debugging functionality for guests (XSA-444) (bsc#1215748).

References

* bsc#1215744

* bsc#1215746

* bsc#1215747

* bsc#1215748

Cross-

* CVE-2023-34323

* CVE-2023-34325

* CVE-2023-34326

* CVE-2023-34327

* CVE-2023-34328

CVSS scores:

* CVE-2023-34323 ( SUSE ): 5.7 CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

* CVE-2023-34325 ( SUSE ): 5.5 CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L

* CVE-2023-34326 ( SUSE ): 8.8 CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

* CVE-2023-34327 ( SUSE ): 5.7 CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

* CVE-2023-34328 ( SUSE ): 5.7 CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Affected Products:

* SUSE Linux Enterprise High Performance Computing 12 SP5

* SUSE Linux Enterprise Server 12 SP5

* SUSE Linux Enterprise Server for SAP Applications 12 SP5

* SUSE Linux Enterprise Software Development Kit 12 SP5

An update that solves five vulnerabilities can now be installed.

##

* https://www.suse.com/security/cve/CVE-2023-34323.html

* https://www.suse.com/security/cve/CVE-2023-34325.html

* https://www.suse.com/security/cve/CVE-2023-34326.html

* https://www.suse.com/security/cve/CVE-2023-34327.html

* https://www.suse.com/security/cve/CVE-2023-34328.html

* https://bugzilla.suse.com/show_bug.cgi?id=1215744

* https://bugzilla.suse.com/show_bug.cgi?id=1215746

* https://bugzilla.suse.com/show_bug.cgi?id=1215747

* https://bugzilla.suse.com/show_bug.cgi?id=1215748

Severity
Announcement ID: SUSE-SU-2023:4185-1
Rating: important

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