CVE-2025-20109

State: Published
Severity: 7.3 High
Published: Aug 12, 2025
Updated: Feb 26, 2026
Reserved: Oct 10, 2024

Description

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.

Scores

CVSS	Score	Vector	Source
4.0	7.3 High	CVSS:4.0/AV:L/AC:H/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N	intel
3.1	7.8 High	CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H	intel

Weaknesses

CWE-653 Improper Isolation or Compartmentalization

Affected Products

Product	Versions
Intel(R) Processorsn/a	See referencesAffected

References

https://intel.com/content/www/us/en/security-center/advisory/intel-sa-01249.html
https://lists.debian.org/debian-lts-announce/2025/10/msg00027.html

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