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SUSE Linux Enterprise 12-SP2-BCL: 2021:1268-1 Important: Xen Security Fix

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Calendar Grey April 20, 2021
Scroller Suse
An important SUSE security release for xen tackles critical vulnerabilities and includes necessary patch instructions.
An update that solves one vulnerability and has one errata is now available

Summary

This update for xen fixes the following issues: - CVE-2021-27379: Fixed an issue where entries in the IOMMU were not being updated under certain circumstances due to improper backport of XSA-321 (XSA-366, bsc#1182431) - Fixed an issue where xenstored was crashing with segfault (bsc#1182155). Patch Instructions: To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch". Alternatively you can run the command listed for your product: - SUSE OpenStack Cloud 7: zypper in -t patch SUSE-OpenStack-Cloud-7-2021-1268=1 - SUSE Linux Enterprise Server 12-SP2-BCL: zypper in -t patch SUSE-SLE-SERVER-12-SP2-BCL-2021-1268=1 Package List: - SUSE OpenStack Cloud 7 (x86_64): xen-4.7.6_14-43.76.1 xen-debugsource-4.7.6_14-43.76.1

Topics%20covered

Topics Covered

security advisory security update DoS important SUSE xen patch instructions

References

#1182155 #1182431

Cross- CVE-2021-27379

CVSS scores:

CVE-2021-27379 (NVD) : 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CVE-2021-27379 (SUSE): 7.9 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:H

Affected Products:

SUSE OpenStack Cloud 7

SUSE Linux Enterprise Server 12-SP2-BCL

https://www.suse.com/security/cve/CVE-2021-27379.html

https://bugzilla.suse.com/1182155

https://bugzilla.suse.com/1182431

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2021:1268-1
Rating: important

Topics%20covered

Topics Covered

security advisory security update DoS important SUSE xen patch instructions

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