RHEA-2025:2422HighCVSS 8.2

Red Hat Enhancement Advisory: microcode_ctl bug fix and enhancement update

Published
March 6, 2025
Last Modified
August 6, 2026

🔗 CVE IDs covered (5)

📋 Description

CVE-2023-34440 — microcode_ctl: Improper input validation in UEFI firmware CVE-2023-43758 — microcode_ctl: Improper input validation in UEFI firmware CVE-2024-24582 — microcode_ctl: Improper input validation in XmlCli feature for UEFI firmware CVE-2024-28127 — microcode_ctl: Improper input validation in UEFI firmware CVE-2024-29214 — microcode_ctl: Improper input validation in UEFI firmware CseVariableStorageSmm

🎯 Affected products9

  • Red Hat Enterprise Linux BaseOS AUS (v.8.6)
  • Red Hat Enterprise Linux BaseOS E4S (v.8.6)
  • Red Hat Enterprise Linux BaseOS TUS (v.8.6)
  • microcode_ctl-4:20220207-1.20250211.1.el8_6.src as a component of Red Hat Enterprise Linux BaseOS AUS (v.8.6)
  • microcode_ctl-4:20220207-1.20250211.1.el8_6.src as a component of Red Hat Enterprise Linux BaseOS E4S (v.8.6)
  • microcode_ctl-4:20220207-1.20250211.1.el8_6.src as a component of Red Hat Enterprise Linux BaseOS TUS (v.8.6)
  • microcode_ctl-4:20220207-1.20250211.1.el8_6.x86_64 as a component of Red Hat Enterprise Linux BaseOS AUS (v.8.6)
  • microcode_ctl-4:20220207-1.20250211.1.el8_6.x86_64 as a component of Red Hat Enterprise Linux BaseOS E4S (v.8.6)
  • microcode_ctl-4:20220207-1.20250211.1.el8_6.x86_64 as a component of Red Hat Enterprise Linux BaseOS TUS (v.8.6)

✅ Remediation

For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258

🔗 References (2)