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Almost unfixable “Sinkclose” bug affects hundreds of millions of AMD chips (arstechnica.com)

submitted 4 months ago by return2ozma to c/[email protected]

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[–] [email protected] 4 points 4 months ago

They say it's "Platform secure boot" by AMD. They refuse to elaborate further though, and no one knows wth that is. Except AMD themselves ofc: https://www.amd.com/en/products/processors/technologies/pro-technologies.html

Platform secure boot is designed to provide protection in response to growing firmware-level remote attacks being seen across the industry. AMD Secure Boot helps continue the chain of trust from the system BIOS to the OS Bootloader.

Ah fuck it, here's the security researchers explanation: https://labs.ioactive.com/2024/02/exploring-amd-platform-secure-boot.html?m=1