A xen security update has been released for openSUSE Leap 15.5 and SUSE Linux Enterprise.

SUSE-SU-2023:4054-1: important: Security update for xen

# Security update for xen

Announcement ID: SUSE-SU-2023:4054-1
Rating: important
References:

* #1215744
* #1215746
* #1215747
* #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:

* 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 five vulnerabilities can now be installed.

## Description:

This update for xen fixes the following issues:

* CVE-2023-34323: A transaction conflict can crash C Xenstored (XSA-440,
bsc#1215744)
* CVE-2023-34326: Missing IOMMU TLB flushing (XSA-442, bsc#1215746)
* CVE-2023-34325: Multiple vulnerabilities in libfsimage disk handling
(XSA-443, bsc#1215747)
* CVE-2023-34327: Debug Mask handling (XSA-444, bsc#1215748)
* CVE-2023-34328: Debug Mask handling (XSA-444, bsc#1215748)

## 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-15.5-2023-4054=1 SUSE-2023-4054=1

* SUSE Linux Enterprise Micro 5.5
zypper in -t patch SUSE-SLE-Micro-5.5-2023-4054=1

* Basesystem Module 15-SP5
zypper in -t patch SUSE-SLE-Module-Basesystem-15-SP5-2023-4054=1

* Server Applications Module 15-SP5
zypper in -t patch SUSE-SLE-Module-Server-Applications-15-SP5-2023-4054=1

## Package List:

* openSUSE Leap 15.5 (aarch64 x86_64 i586)
* xen-tools-domU-debuginfo-4.17.2_06-150500.3.12.1
* xen-tools-domU-4.17.2_06-150500.3.12.1
* xen-devel-4.17.2_06-150500.3.12.1
* xen-libs-debuginfo-4.17.2_06-150500.3.12.1
* xen-debugsource-4.17.2_06-150500.3.12.1
* xen-libs-4.17.2_06-150500.3.12.1
* openSUSE Leap 15.5 (x86_64)
* xen-libs-32bit-4.17.2_06-150500.3.12.1
* xen-libs-32bit-debuginfo-4.17.2_06-150500.3.12.1
* openSUSE Leap 15.5 (aarch64 x86_64)
* xen-4.17.2_06-150500.3.12.1
* xen-tools-4.17.2_06-150500.3.12.1
* xen-doc-html-4.17.2_06-150500.3.12.1
* xen-tools-debuginfo-4.17.2_06-150500.3.12.1
* openSUSE Leap 15.5 (noarch)
* xen-tools-xendomains-wait-disk-4.17.2_06-150500.3.12.1
* openSUSE Leap 15.5 (aarch64_ilp32)
* xen-libs-64bit-debuginfo-4.17.2_06-150500.3.12.1
* xen-libs-64bit-4.17.2_06-150500.3.12.1
* SUSE Linux Enterprise Micro 5.5 (x86_64)
* xen-debugsource-4.17.2_06-150500.3.12.1
* xen-libs-debuginfo-4.17.2_06-150500.3.12.1
* xen-libs-4.17.2_06-150500.3.12.1
* Basesystem Module 15-SP5 (x86_64)
* xen-tools-domU-debuginfo-4.17.2_06-150500.3.12.1
* xen-tools-domU-4.17.2_06-150500.3.12.1
* xen-libs-debuginfo-4.17.2_06-150500.3.12.1
* xen-debugsource-4.17.2_06-150500.3.12.1
* xen-libs-4.17.2_06-150500.3.12.1
* Server Applications Module 15-SP5 (x86_64)
* xen-4.17.2_06-150500.3.12.1
* xen-tools-debuginfo-4.17.2_06-150500.3.12.1
* xen-devel-4.17.2_06-150500.3.12.1
* xen-tools-4.17.2_06-150500.3.12.1
* xen-debugsource-4.17.2_06-150500.3.12.1
* Server Applications Module 15-SP5 (noarch)
* xen-tools-xendomains-wait-disk-4.17.2_06-150500.3.12.1

## 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