Improper Handling of Overlap Between Protected Memory Ranges Affecting microcode_ctl package, versions <2:2.1-53.amzn2023.0.14


Severity

Recommended
high

Based on Amazon Linux security rating.

Threat Intelligence

EPSS
0.01% (3rd percentile)

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  • Snyk IDSNYK-AMZN2023-MICROCODECTL-13170626
  • published1 Oct 2025
  • disclosed12 Aug 2025

Introduced: 12 Aug 2025

CVE-2025-22889  (opens in a new tab)
CWE-1260  (opens in a new tab)

How to fix?

Upgrade Amazon-Linux:2023 microcode_ctl to version 2:2.1-53.amzn2023.0.14 or higher.
This issue was patched in ALAS2023-2025-1209.

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 handling of overlap between protected memory ranges for some Intel(R) Xeon(R) 6 processor with Intel(R) TDX may allow a privileged user to potentially enable escalation of privilege via local access.

CVSS Base Scores

version 3.1