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SUSE: 2020:3088-1 Important: Xen Security Update for Multiple Products

suse
Calendar Grey October 29, 2020
Dist Suse Esm H88
SUSE Security Update: Security update for xen ______________________________________________________
An update that fixes four vulnerabilities is now available

Summary

This update for xen fixes the following issues: - bsc#1177409 - VUL-0: CVE-2020-27673: xen: x86 PV guest INVLPG-like flushes may leave stale TLB entries (XSA-286) - bsc#1177412 - VUL-0: CVE-2020-27672: xen: Race condition in Xen mapping code (XSA-345) - bsc#1177413 - VUL-0: CVE-2020-27671: xen: undue deferral of IOMMU TLB flushes (XSA-346) - bsc#1177414 - VUL-0: CVE-2020-27670: xen: unsafe AMD IOMMU page table updates (XSA-347) 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 Crowbar 9: zypper in -t patch SUSE-OpenStack-Cloud-Crowbar-9-2020-3088=1 - SUSE OpenStack Cloud 9:

Topics%20covered

Topics Covered

security advisory update DoS important SUSE xen

References

#1177409 #1177412 #1177413 #1177414

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

CVE-2020-27673

Affected Products:

SUSE OpenStack Cloud Crowbar 9

SUSE OpenStack Cloud 9

SUSE Linux Enterprise Server for SAP 12-SP4

SUSE Linux Enterprise Server 12-SP4-LTSS

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-2020-27673.html

https://bugzilla.suse.com/1177409

https://bugzilla.suse.com/1177412

https://bugzilla.suse.com/1177413

https://bugzilla.suse.com/1177414

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2020:3088-1
Rating: important

Topics%20covered

Topics Covered

security advisory update DoS important SUSE xen

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