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Sys-Admin & InfoSec Channel
Two Hidden Instructions Discovered in Intel CPUs Enable Microcode Modification
Security researchers Mark Ermolov, Dmitry Sklyarov, and Maxim Goryachy discovered two undocumented x86 instructions that can be used to modify the CPU microcode. The instructions can only be executed when the CPU runs in debug mode, which makes them not easily…
Jun 9 at 05:11