CVE-2024-43420 Affecting microcode_ctl package, versions <4:20250512-1.el8_10


Severity

Recommended
medium

Based on AlmaLinux security rating.

Threat Intelligence

EPSS
0.2% (10th percentile)

Do your applications use this vulnerable package?

In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.

Test your applications
  • Snyk IDSNYK-ALMALINUX8-MICROCODECTL-21744796
  • published27 Oct 2026
  • disclosed14 Jul 2025

Introduced: 14 Jul 2025

CVE-2024-43420  (opens in a new tab)

How to fix?

Upgrade AlmaLinux:8 microcode_ctl to version 4:20250512-1.el8_10 or higher.
This issue was patched in ALSA-2025:10991.

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 AlmaLinux. See How to fix? for AlmaLinux:8 relevant fixed versions and status.

Exposure of sensitive information caused by shared microarchitectural predictor state that influences transient execution for some Intel Atom(R) processors may allow an authenticated user to potentially enable information disclosure via local access.

CVSS Base Scores

version 3.1