CVE-2023-31315

medium

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.

References

https://www.theregister.com/2024/08/13/amd_sinkclose_patches/

https://www.bleepingcomputer.com/news/security/new-amd-sinkclose-flaw-helps-install-nearly-undetectable-malware/

https://www.amd.com/en/resources/product-security/bulletin/amd-sb-7014.html

Details

Source: Mitre, NVD

Published: 2024-08-12

Updated: 2024-08-27

Risk Information

CVSS v2

Base Score: 5.9

Vector: CVSS2#AV:L/AC:H/Au:M/C:C/I:C/A:C

Severity: Medium

CVSS v3

Base Score: 6.8

Vector: CVSS:3.0/AV:A/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:L