12th Generation Intel® Core™ Processors Datasheet, Volume 1 of 2
Intel® Supervisor Mode Access Protection
Intel® Supervisor Mode Access Protection (Intel® SMAP) is a mechanism that provides next level of system protection by blocking a malicious user from tricking the operating system into branching off user data. This technology shuts down very popular attack vectors against operating systems.
For more information, refer to the Intel® 64 Architectures Software Developer’s Manual, Volume 3: