CVE-2023-20523

Name of the Vulnerable Software and Affected Versions AMD Secure Processor (ASP) (affected versions not specified)

Description The issue is related to a Time-of-Check-to-Time-of-Use (TOCTOU) vulnerability in the ASP, which may allow a physical attacker to write beyond buffer bounds. This could potentially lead to a loss of integrity or denial of service. The vulnerability is also described as a race condition error when using a shared resource, which could allow an attacker to cause a denial of service.

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