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SUSE: 2020:1888-1 Important: Xen Security Updates and Threat Fixes

suse
Calendar Grey July 10, 2020
Scroller Suse
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: - CVE-2020-15563: Fixed inverted code paths in x86 dirty VRAM tracking (bsc#1173377). - CVE-2020-15565: Fixed insufficient cache write-back under VT-d (bsc#1173378). - CVE-2020-15566: Fixed incorrect error handling in event channel port allocation (bsc#1173376). - CVE-2020-15567: Fixed non-atomic modification of live EPT PTE (bsc#1173380). 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 Linux Enterprise Server for SAP 15: zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-2020-1888=1 - SUSE Linux Enterprise High Performance Computing 15-LTSS:

Topics%20covered

Topics Covered

security advisory security issue update DoS important SUSE xen

References

#1173376 #1173377 #1173378 #1173380

Cross- CVE-2020-15563 CVE-2020-15565 CVE-2020-15566

CVE-2020-15567

Affected Products:

SUSE Linux Enterprise Server for SAP 15

SUSE Linux Enterprise High Performance Computing 15-LTSS

SUSE Linux Enterprise High Performance Computing 15-ESPOS

https://www.suse.com/security/cve/CVE-2020-15563.html

https://www.suse.com/security/cve/CVE-2020-15565.html

https://www.suse.com/security/cve/CVE-2020-15566.html

https://www.suse.com/security/cve/CVE-2020-15567.html

https://bugzilla.suse.com/1173376

https://bugzilla.suse.com/1173377

https://bugzilla.suse.com/1173378

https://bugzilla.suse.com/1173380

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2020:1888-1
Rating: important

Topics%20covered

Topics Covered

security advisory security issue update DoS important SUSE xen

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