CVE-2025-20109
EPSS 0.03%
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.
How to fix CVE-2025-20109
To remediate CVE-2025-20109, upgrade the affected package to a fixed version below.
- Alpine/intel-ucode—upgrade to 20250812-r0 or later
- Debian/intel-microcode—upgrade to 3.20250812.1~deb11u1 or later
Is CVE-2025-20109 being exploited?
Low — EPSS is 0.0%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- from 0, < 20250812-r0
- from 0, < 3.20250812.1~deb11u1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 4.0 | — | 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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X |