CVE-2023-31315

Public on 2024-08-12
Modified on 2024-08-28
Description
Improper validation in a model specific register (MSR) could allow a malicious program with ring0 access to modify SMM configuration while SMI lock is enabled, potentially leading to arbitrary code execution.
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 2 - Core linux-firmware 2024-08-20 ALAS2-2024-2626 Fixed
Amazon Linux 2023 linux-firmware 2024-08-19 ALAS2023-2024-706 Fixed

CVSS Scores

Score Type Score Vector
Amazon Linux CVSSv3 7.5 CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H
NVD CVSSv3 6.8 CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:L

References

FAQs regarding Amazon Linux ALAS/CVE Severity Red Hat: CVE-2023-31315 Mitre: CVE-2023-31315