Insufficient Compartmentalization Affecting intel-microcode package, versions *


Severity

Recommended
medium

Based on Ubuntu security rating.

Threat Intelligence

EPSS
0.02% (4th percentile)

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  • Snyk IDSNYK-UBUNTU2504-INTELMICROCODE-11785929
  • published22 Oct 2025
  • disclosed12 Aug 2025

Introduced: 12 Aug 2025

CVE-2025-20109  (opens in a new tab)
CWE-653  (opens in a new tab)

How to fix?

There is no fixed version for Ubuntu:25.04 intel-microcode.

NVD Description

Note: Versions mentioned in the description apply only to the upstream intel-microcode package and not the intel-microcode package as distributed by Ubuntu. See How to fix? for Ubuntu:25.04 relevant fixed versions and status.

Improper Isolation or Compartmentalization in the stream cache mechanism for some Intel(R) Processors may allow an authenticated user to potentially enable escalation of privilege via local access.

CVSS Base Scores

version 3.1