CVE-2025-22839

Public on 2025-08-12
Modified on 2025-08-15
Description
Insufficient granularity of access control in the OOB-MSM for some Intel(R) Xeon(R) 6 Scalable processors may allow a privileged user to potentially enable escalation of privilege via adjacent access.
Severity
Important severity
Important
See what this means
CVSS v3 Base Score
7.5
See breakdown

Affected Packages

Platform Package Release Date Advisory Status
Amazon Linux 1 microcode_ctl No Fix Planned
Amazon Linux 2 - Core microcode_ctl 2025-09-29 ALAS2-2025-3014 Fixed
Amazon Linux 2023 microcode_ctl 2025-09-29 ALAS2023-2025-1209 Fixed

CVSS Scores

Score Type Score Vector
Amazon Linux CVSSv3 7.5 CVSS:3.1/AV:A/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:L
NVD CVSSv3 7.5 CVSS:3.1/AV:A/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:L