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Being Overlord on the Steam Deck with 1 Byte

blog.quarkslab.com | research | #exploitation | #vulnerability | #amd | #steam-deck | #uefi | #smm

Summary

Quarkslab presents two SMM bugs in AMD firmware drivers affecting the Steam Deck and other AMD devices, turning restrictive 1-byte primitives into code execution in System Management Mode.
Published
Collected

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