CVE-2022-23813

CVE-2022-23813 describes a security vulnerability in AMD MilanPI-SP3 and RomePI firmware that could lead to a loss of guest memory integrity. The flaw stems from the ASP and SMU interfaces potentially failing to enforce the SNP memory security policy within a confidential compute environment. Rated as Medium severity (CVSS 5.3), this vulnerability has a network attack vector with low complexity, allowing for potential integrity loss without requiring user interaction. Currently, there is no evidence of active exploitation, publicly available exploit code, or significant community discussion surrounding this CVE.