SUSE: 2020:1245-2 Critical: Processor_Microcode Attack Prevention
suse
January 4, 2018
An update that fixes one vulnerability is now available
Summary
This update for microcode_ctl fixes the following issues: Added microcode_amd_fam17h.bin (bsc#1068032 CVE-2017-5715) This new firmware disables branch prediction on AMD family 17h processor. Also the CPU microcode for Intel Haswell-X, Skylake-X and Broadwell-X chipsets was updated to report both branch prediction control via CPUID flag and ability to control branch prediction via an MSR register. This update is part of a mitigation for a branch predictor based information disclosure attack, and needs additional code in the Linux Kernel to be active (bsc#1068032 CVE-2017-5715) Patch Instructions: To install this SUSE Security Update use YaST online_update. Alternatively you can run the command listed for your product: - SUSE Linux Enterprise Server 11-SP4: zypper in -t patch slessp4-microcode_ctl-13390=1
References
#1068032
Cross- CVE-2017-5715
Affected Products:
SUSE Linux Enterprise Server 11-SP4
SUSE Linux Enterprise Server 11-SP3-LTSS
SUSE Linux Enterprise Point of Sale 11-SP3
https://www.suse.com/security/cve/CVE-2017-5715.html
https://bugzilla.suse.com/1068032
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Severity
important
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Critical
Announcement ID: SUSE-SU-2018:0009-1
Rating: important
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