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SUSE: 2020:1632-1 Important: Xen SRBDS Side Channel Attack

suse
Calendar Grey June 17, 2020
Dist Suse Esm H88
SUSE releases critical security patch for xen to mitigate serious side-channel attack vulnerabilities. Apply the update without delay.
An update that solves one vulnerability and has one errata is now available

Summary

This update for xen to version 4.11.4 fixes the following issues: - CVE-2020-0543: Fixed a side channel attack against special registers which could have resulted in leaking of read values to cores other than the one which called it. This attack is known as Special Register Buffer Data Sampling (SRBDS) or "CrossTalk" (bsc#1172205). 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 Software Development Kit 12-SP4: zypper in -t patch SUSE-SLE-SDK-12-SP4-2020-1632=1 - SUSE Linux Enterprise Server 12-SP4: zypper in -t patch SUSE-SLE-SERVER-12-SP4-2020-1632=1 Package List:

Topics%20covered

Topics Covered

security advisory update important SUSE xen side channel SRBDS

References

#1027519 #1172205

Cross- CVE-2020-0543

Affected Products:

SUSE Linux Enterprise Software Development Kit 12-SP4

SUSE Linux Enterprise Server 12-SP4

https://www.suse.com/security/cve/CVE-2020-0543.html

https://bugzilla.suse.com/1027519

https://bugzilla.suse.com/1172205

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2020:1632-1
Rating: important

Topics%20covered

Topics Covered

security advisory update important SUSE xen side channel SRBDS

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