Improper Finite State Machines (FSMs) in Hardware Logic Affecting microcode_ctl-debuginfo package, versions <2:2.1-47.amzn2.4.22


Severity

Recommended
high

Based on Amazon Linux security rating.

Threat Intelligence

EPSS
0.04% (11th percentile)

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  • Snyk IDSNYK-AMZN2-MICROCODECTLDEBUGINFO-8545012
  • published20 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:2 microcode_ctl-debuginfo to version 2:2.1-47.amzn2.4.22 or higher.
This issue was patched in ALAS2-2024-2682.

NVD Description

Note: Versions mentioned in the description apply only to the upstream microcode_ctl-debuginfo package and not the microcode_ctl-debuginfo package as distributed by Amazon-Linux. See How to fix? for Amazon-Linux:2 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 Scores

version 3.1