RHSA-2021:3176: Important: microcode_ctl security, bug fix and enhancement update
The microcodectl packages provide microcode updates for Intel.Security Fixes: hw: Vector Register Data Sampling (CVE-2020-0548) hw: L1D Cache Eviction Sampling (CVE-2020-0549) hw: Special Register Buffer Data Sampling (SRBDS) (CVE-2020-0543) hw: Information disclosure issue in Intel SGX via RAPL interface (CVE-2020-8695) hw: Vector Register Leakage-Active (CVE-2020-8696) hw: Fast forward store predictor (CVE-2020-8698) hw: vt-d related privilege escalation (CVE-2020-24489) hw: improper isolation of shared resources in some Intel Processors (CVE-2020-24511) hw: observable timing discrepancy in some Intel Processors (CVE-2020-24512) Bug Fix(es): [rhel-8.1.0.z] Re-enable 06-5e-03 (SKL-H/S, CPUID 0x506e3) latest microcode updates (BZ#1972327) [rhel-8.1.0.z] Re-enable 06-8c-01 (TGL-UP3/UP4, CPUID 0x806c1) latest microcode updates (BZ#1972331)
Affected Software
Remediation
Event History
Frequently Asked Questions
What is the severity of RHSA-2021:3176?
The severity of RHSA-2021:3176 is categorized as a security vulnerability that addresses critical hardware vulnerabilities affecting Intel microcode.
How do I fix RHSA-2021:3176?
To fix RHSA-2021:3176, update the microcode_ctl package to the latest version provided by your Linux distribution.
What vulnerabilities are addressed in RHSA-2021:3176?
RHSA-2021:3176 addresses vulnerabilities including CVE-2020-0548, CVE-2020-0549, and CVE-2020-0543.
What impact does RHSA-2021:3176 have on my system?
RHSA-2021:3176 can potentially allow attackers to exploit hardware vulnerabilities in Intel processors, leading to data leakage.
Who is affected by RHSA-2021:3176?
Systems using affected versions of Intel processors with unpatched microcode are at risk from RHSA-2021:3176.