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SUSE 12-SP5: 2020:1601-1 Moderate: Ucode-Intel Side Channel Fixes

suse
Calendar Grey June 10, 2020
Dist Suse Esm H88
SUSE Security Alert: Implementing ucode-intel to mitigate several CPU-related vulnerabilities for improved system safeguarding.
An update that fixes three vulnerabilities is now available

Summary

This update for ucode-intel fixes the following issues: Updated Intel CPU Microcode to 20200602 (prerelease) (bsc#1172466) This update contains security mitigations for: - 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#1154824). - CVE-2020-0548,CVE-2020-0549: Additional ucode updates were supplied to mitigate the Vector Register and L1D Eviction Sampling aka "CacheOutAttack" attacks. (bsc#1156353) Microcode Table: Processor Identifier Version Products Model Stepping F-MO-S/PI Old->New

Topics%20covered

Topics Covered

security advisory moderate SUSE microcode update side channel attack ucode-intel CacheOutAttack

References

#1154824 #1156353 #1172466

Cross- CVE-2020-0543 CVE-2020-0548 CVE-2020-0549

Affected Products:

SUSE Linux Enterprise Server 12-SP5

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

https://www.suse.com/security/cve/CVE-2020-0548.html

https://www.suse.com/security/cve/CVE-2020-0549.html

https://bugzilla.suse.com/1154824

https://bugzilla.suse.com/1156353

https://bugzilla.suse.com/1172466

Announcement ID: SUSE-SU-2020:1601-1
Rating: moderate

Topics%20covered

Topics Covered

security advisory moderate SUSE microcode update side channel attack ucode-intel CacheOutAttack

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