Exploit in AMD SEV-SNP Exposes Unauthorized Microcode Insertion via Admin Privileges

An issue with security has come to light in AMD’s Secure Encrypted Virtualization (SEV), which could potentially enable a hacker to introduce a harmful CPU microcode in certain scenarios.

An issue with security has come to light in AMD’s Secure Encrypted Virtualization (SEV), which could potentially enable a hacker to introduce a harmful CPU microcode in certain scenarios.
This vulnerability, identified as CVE-2024-56161, has been assigned a CVSS rating of 7.2 on a scale of 10.0, signifying a significant risk.
“The inadequate authentication in AMD CPU ROM microcode patch loader might offer an opportunity for a malicious actor who possesses local

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AndyC

Andy Curtis is an award-winning security consultant, researcher and public speaker. He has been working in the computer security industry since the early 1990s, having been employed by state and federal government, leading healthcare and banking providers across three continents. He has given talks about computer security for some of the world’s largest companies, worked with law enforcement agencies on investigations into hacking groups, and is a regular voice on TV and radio explaining IT security threats.

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