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SUSE: 2020:14557-1 Important: Xen Security Update Summary

suse
Calendar Grey December 8, 2020
Dist Suse Esm H88
Essential SUSE security patch for xen tackles multiple severe vulnerabilities. Uncover the problems and update information today.
An update that solves 6 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#1178935 - CVE-2020-25723: assertion failure through usb_packet_unmap() in hw/usb/hcd-ehci.c - 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".

Topics%20covered

Topics Covered

security advisory DoS critical fix important SUSE critical issues SUSE Linux multiple fixes xen xen update stack corruption patch instructions

References

#1177409 #1177412 #1177413 #1177414 #1178591

#1178935 #1178963

Cross- CVE-2020-25723 CVE-2020-27670 CVE-2020-27671

CVE-2020-27672 CVE-2020-27674 CVE-2020-28368

Affected Products:

SUSE Linux Enterprise Server 11-SP4-LTSS

SUSE Linux Enterprise Debuginfo 11-SP4

https://www.suse.com/security/cve/CVE-2020-25723.html

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/show_bug.cgi?id=1177409

https://bugzilla.suse.com/show_bug.cgi?id=1177412

https://bugzilla.suse.com/show_bug.cgi?id=1177413

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2020:14557-1
Rating: important

Topics%20covered

Topics Covered

security advisory DoS critical fix important SUSE critical issues SUSE Linux multiple fixes xen xen update stack corruption patch instructions

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