Insufficient bounds checking in the ASP (AMD Secure Processor) may allow an attacker to access memory outside the bounds of what is permissible to a TA (Trusted Application) resulting in a potential denial of service.
https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00971.html
https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-6003