CVE-2024-43420 Affecting microcode_ctl package, versions <2:2.1-73.24.el7_9


Severity

Recommended
0.0
medium
0
10

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.02% (5th percentile)

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  • Snyk IDSNYK-RHEL7-MICROCODECTL-10599904
  • published4 Jul 2025
  • disclosed13 May 2025

Introduced: 13 May 2025

CVE-2024-43420  (opens in a new tab)
CWE-1423  (opens in a new tab)

How to fix?

Upgrade RHEL:7 microcode_ctl to version 2:2.1-73.24.el7_9 or higher.
This issue was patched in RHSA-2025:10108.

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:7 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