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SUSE: 2022:0468-1 Important: DoS and IRQ Xen Security Fixes

suse
Calendar Grey February 17, 2022
Dist Suse Esm H88
This Red Hat security patch targets significant flaws in the kernel. Implement the update to safeguard your infrastructure.
An update that fixes three vulnerabilities is now available

Summary

This update for xen fixes the following issues: - CVE-2022-23033: Fixed guest_physmap_remove_page not removing the p2m mappings. (XSA-393) (bsc#1194576) - CVE-2022-23034: Fixed possible DoS by a PV guest Xen while unmapping a grant. (XSA-394) (bsc#1194581) - CVE-2022-23035: Fixed insufficient cleanup of passed-through device IRQs. (XSA-395) (bsc#1194588)

Topics%20covered

Topics Covered

security advisory critical DoS patch management SUSE xen irq

References

#1194576 #1194581 #1194588

Cross- CVE-2022-23033 CVE-2022-23034 CVE-2022-23035

CVSS scores:

CVE-2022-23033 (NVD) : 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CVE-2022-23034 (NVD) : 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

CVE-2022-23034 (SUSE): 4 CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

CVE-2022-23035 (NVD) : 4.6 CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CVE-2022-23035 (SUSE): 6.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H

Affected Products:

SUSE CaaS Platform 4.0

SUSE Enterprise Storage 6

SUSE Linux Enterprise High Performance Computing 15-SP1-ESPOS

SUSE Linux Enterprise High Performance Computing 15-SP1-LTSS

SUSE Linux Enterprise Server 15-SP1-BCL

SUSE Linux Enterprise Server 15-SP1-LTSS

SUSE Linux Enterpri...

Read the Full Advisory

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2022:0468-1
Rating: important

Topics%20covered

Topics Covered

security advisory critical DoS patch management SUSE xen irq

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