CVE-2023-20518

CVE-2023-20518 describes an incomplete cleanup in the AMD Secure Processor (ASP) that could expose the Master Encryption Key (MEK) to a privileged attacker with BIOS/UEFI access, leading to potential confidentiality loss. The vulnerability spans ASP, SEV, and SEV-SNP related firmware; exploitatio...

CVE-2023-20518

Incomplete cleanup in the ASP may expose the Master Encryption Key MEK to a privileged attacker with access to the BIOS menu or UEFI shell and a memory exfiltration vulnerability, potentially resulting in loss of confidentiality...