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openSUSE 15.4: SUSE-SU-2023:3832-1 Important Xen Update

opensuse
Calendar Grey September 27, 2023
Scroller Opensuse
The recent announcement regarding xen environment has highlighted critical vulnerabilities related to Intel processor execution leaks and similar shadow link concerns.
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).

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.

Topics%20covered

Topics Covered

security advisory important xen openSUSE patch instructions execution leak shadow reference

Patch

## 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...

Read the Full Advisory

References

* #1215145

* #1215474

## 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

Severity
important
Lowest
Low
Medium
High
Critical

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

Topics%20covered

Topics Covered

security advisory important xen openSUSE patch instructions execution leak shadow reference

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