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SUSE: 2020:3742-1 Important: Xen Security Update for Multiple Threats

suse
Calendar Grey December 10, 2020
Dist Suse Esm H88
Vital Update for SUSE Addresses Five Vulnerabilities in Xen. Ensure to apply corrections through zypper to maintain compliance and enhance security.
An update that solves 5 vulnerabilities and has one errata is now available

Summary

This update for xen fixes the following issues: - bsc#1178963 - stack corruption from XSA-346 change (XSA-355) - bsc#1177409 - CVE-2020-27674: x86 PV guest INVLPG-like flushes may leave stale TLB entries (XSA-286) - bsc#1177412 - CVE-2020-27672: Race condition in Xen mapping code (XSA-345) - bsc#1177413 - CVE-2020-27671: undue deferral of IOMMU TLB flushes (XSA-346) - bsc#1177414 - CVE-2020-27670: unsafe AMD IOMMU page table updates (XSA-347) - bsc#1178591 - CVE-2020-28368: Intel RAPL sidechannel attack aka PLATYPUS attack aka XSA-351 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:

Topics%20covered

Topics Covered

security advisory security update update patch important SUSE suse security threat multiple threats xen patch instructions

References

#1177409 #1177412 #1177413 #1177414 #1178591

#1178963

Cross- CVE-2020-27670 CVE-2020-27671 CVE-2020-27672

CVE-2020-27674 CVE-2020-28368

Affected Products:

SUSE OpenStack Cloud 7

SUSE Linux Enterprise Server for SAP 12-SP2

SUSE Linux Enterprise Server 12-SP2-LTSS

SUSE Linux Enterprise Server 12-SP2-BCL

https://www.suse.com/security/cve/CVE-2020-27670.html

https://www.suse.com/security/cve/CVE-2020-27671.html

https://www.suse.com/security/cve/CVE-2020-27672.html

https://www.suse.com/security/cve/CVE-2020-27674.html

https://www.suse.com/security/cve/CVE-2020-28368.html

https://bugzilla.suse.com/1177409

https://bugzilla.suse.com/1177412

https://bugzilla.suse.com/1177413

https://bugzilla.suse.com/1177414

https://bugzilla.suse.com/1178591

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2020:3742-1
Rating: important

Topics%20covered

Topics Covered

security advisory security update update patch important SUSE suse security threat multiple threats xen patch instructions

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