Improper Finite State Machines (FSMs) in Hardware Logic Affecting microcode_ctl package, versions <2:2.1-53.amzn2023.0.9


Severity

Recommended
high

Based on Amazon Linux security rating.

Threat Intelligence

EPSS
0.04% (12th percentile)

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  • Snyk IDSNYK-AMZN2023-MICROCODECTL-8495741
  • published11 Dec 2024
  • disclosed13 Nov 2024

Introduced: 13 Nov 2024

CVE-2024-21853  (opens in a new tab)
CWE-1245  (opens in a new tab)

How to fix?

Upgrade Amazon-Linux:2023 microcode_ctl to version 2:2.1-53.amzn2023.0.9 or higher.
This issue was patched in ALAS2023-2024-748.

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 Amazon-Linux. See How to fix? for Amazon-Linux:2023 relevant fixed versions and status.

Improper finite state machines (FSMs) in the hardware logic in some 4th and 5th Generation Intel(R) Xeon(R) Processors may allow an authorized user to potentially enable denial of service via local access.

CVSS Base Scores

version 3.1