Alerts This Week
Warning Icon 1 923
Alerts This Week
Warning Icon 1 923

SUSE: 2022:0333-1 Important: Guest Mapping DoS Fixes for Xen

suse
Calendar Grey February 4, 2022
Dist Suse Esm H88
SUSE Security Update for kernel addresses significant memory handling and remote execution vulnerabilities. Restart system post-installation.
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 DoS important update system reboot SUSE Linux Enterprise xen patch guest mapping

References

#1194576 #1194581 #1194588

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

CVSS scores:

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 (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 Linux Enterprise Module for Server Applications 15-SP3

SUSE Linux Enterprise Server 15-SP3

SUSE Linux Enterprise Server for SAP Applications 15-SP3

SUSE Linux Enterprise High Performance Computing 15-SP3

SUSE Manager Server 4.2

SUSE Manager Proxy 4.2

SUSE Linux Enterprise Module for Basesystem 15-SP3

SUSE Linux Enterprise Server 15-SP3

SUSE Linux Enterprise Desktop 15-SP3

SUSE Linux Enterprise Server for SAP Applications 15-SP3

SUSE Linux Enterprise High Perfo...

Read the Full Advisory

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2022:0333-1
Rating: important

Topics%20covered

Topics Covered

security advisory DoS important update system reboot SUSE Linux Enterprise xen patch guest mapping

Get the latest News and Insights

Get the latest Linux and open source security news straight to your inbox.

Your message here