RHSA-2021:3176: Important: microcode_ctl security, bug fix and enhancement update

First published: Tue Aug 17 2021(Updated: )

The microcode_ctl packages provide microcode updates for Intel.<br>Security Fixes:<br><li> hw: Vector Register Data Sampling (CVE-2020-0548)</li> <li> hw: L1D Cache Eviction Sampling (CVE-2020-0549)</li> <li> hw: Special Register Buffer Data Sampling (SRBDS) (CVE-2020-0543)</li> <li> hw: Information disclosure issue in Intel SGX via RAPL interface (CVE-2020-8695)</li> <li> hw: Vector Register Leakage-Active (CVE-2020-8696)</li> <li> hw: Fast forward store predictor (CVE-2020-8698)</li> <li> hw: vt-d related privilege escalation (CVE-2020-24489)</li> <li> hw: improper isolation of shared resources in some Intel Processors (CVE-2020-24511)</li> <li> hw: observable timing discrepancy in some Intel Processors (CVE-2020-24512)</li> Bug Fix(es):<br><li> [rhel-8.1.0.z] Re-enable 06-5e-03 (SKL-H/S, CPUID 0x506e3) latest microcode updates (BZ#1972327)</li> <li> [rhel-8.1.0.z] Re-enable 06-8c-01 (TGL-UP3/UP4, CPUID 0x806c1) latest microcode updates (BZ#1972331)</li>

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