Insufficient Granularity of Access Control Affecting microcode_ctl package, versions <4:20250211-1.el8_10


Severity

Recommended
high

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.21% (11th percentile)

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  • Snyk IDSNYK-RHEL8-MICROCODECTL-8730010
  • published15 Feb 2025
  • disclosed12 Feb 2025

Introduced: 12 Feb 2025

CVE-2024-39279  (opens in a new tab)
CWE-1220  (opens in a new tab)

How to fix?

Upgrade RHEL:8 microcode_ctl to version 4:20250211-1.el8_10 or higher.
This issue was patched in RHEA-2025:3114.

NVD Description

Note: Versions mentioned in the description apply only to the upstream microcode_ctl package and not the microcode_ctl package as distributed by RHEL. See How to fix? for RHEL:8 relevant fixed versions and status.

Insufficient granularity of access control in UEFI firmware in some Intel(R) processors may allow a authenticated user to potentially enable denial of service via local access.

CVSS Base Scores

version 3.1