CVE-2023-31315

Name of the Vulnerable Software and Affected Versions AMD EPYC Processors (affected versions not specified) AMD Ryzen Processors (affected versions not specified) AMD Threadripper Processors (affected versions not specified)

Description The issue is related to improper validation in a model specific register (MSR) that could allow a malicious program with ring0 access to modify SMM configuration while SMI lock is enabled, potentially leading to arbitrary code execution. This could give an attacker unlimited access to system memory and control over the operating system. The vulnerability is being actively exploited.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.