CVE-2025-20109
Public on 2025-08-12
Modified on 2025-08-15
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.
CVSS v3 Base Score
See breakdown
Affected Packages
| Platform | Package | Release Date | Advisory | Status |
|---|---|---|---|---|
| Amazon Linux 1 | microcode_ctl | No Fix Planned | ||
| Amazon Linux 2 - Core | microcode_ctl | 2025-09-16 | ALAS2-2025-2994 | Fixed |
| Amazon Linux 2023 | microcode_ctl | 2025-09-15 | ALAS2023-2025-1189 | Fixed |
CVSS Scores
| Score Type | Score | Vector | |
|---|---|---|---|
| Amazon Linux | CVSSv3 | 7.8 | CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H |
| NVD | CVSSv3 | 7.8 | CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H |