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High RLSA-2021:3027 9 CVEs

Important: microcode_ctl security, bug fix and enhancement update

Published Aug 9, 2021 · Updated Feb 4, 2026

Ecosystem: Rocky Linux

Summary

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)

Fixed packages 1

ReleasePackageFixed in
Rocky Linux · 8 microcode_ctl 4:20210216-1.20210608.1.el8_4

Vulnerabilities 9

References

  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=1788786
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=1788788
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=1827165
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=1828583
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=1890355
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=1890356
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=1962650
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=1962702
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=1962722
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=1972325
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=1972328