The microcode_ctl packages provide microcode updates for Intel.
Security Fix(es):
hw: Special Register Buffer Data Sampling (SRBDS) (CVE-2020-0543)
hw: Vector Register Data Sampling (CVE-2020-0548)
hw: L1D Cache Eviction Sampling (CVE-2020-0549)
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)
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)