Use of an uninitialized variable in the ASP could allow an attacker to access leftover data from a trusted execution environment (TEE) driver, potentially leading to loss of confidentiality.
https://www.amd.com/en/resources/product-security/bulletin/AMD-SB-6018.html
https://www.amd.com/en/resources/product-security/bulletin/AMD-SB-5007.html
https://www.amd.com/en/resources/product-security/bulletin/AMD-SB-4012.html