CVE-2021-26387

Summary

CVE-2021-26387 is a vulnerability affecting the ASP kernel. It allows privileged attackers with access to AMD signing keys and certain system interfaces, such as the BIOS menu or UEFI shell, to bypass access controls and map DRAM regions in protected areas. This could potentially result in a loss of platform integrity, allowing an attacker to gain unauthorized access to sensitive information or take control of the system.

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