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SUSE 15 SP5 update 2023:4945-1 important: xen threat mitigation

suse
Calendar Grey December 21, 2023
Dist Suse Esm H88
SUSE has announced a significant patch for Xen, resolving critical security flaws. Be sure to adhere to installation instructions for applying the updates.
* 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

Topics%20covered

Topics Covered

security advisory security update important threat mitigation SUSE xen

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

Severity
important
Lowest
Low
Medium
High
Critical

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

Topics%20covered

Topics Covered

security advisory security update important threat mitigation SUSE xen

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