[vbox-dev] CPUID interception from Ring 3 in Raw Mode [Linux 32 bit Guests]

Suman Saraf sumansaraf at gmail.com
Mon Sep 30 14:33:31 UTC 2019


Does VirtualBox intercept/patch CPUID instructions from R3 code in Linux 32
bit guests under any circumstances? I am wondering if CSAM/PATM are
deployed in any cases to scan and patch R3 code specifically.

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