Validating a memory type modification attempt

Details Validating a memory type modification attempt Validating a memory type modification attempt

2005-09-22

2010-06-29

Zand, Kambiz (Department: 2434)

Information security

Monitoring or scanning of software or data including attack...

Intrusion detection

C726S022000, C726S024000, C726S025000, C726S026000, C713S164000, C713S193000, C713S194000, C711S006000, C711S163000, C711S206000

Reexamination Certificate

active

07748037

ABSTRACT:
A system and process are described to enable at least one of a plurality of host agents executing on a system to update memory region types of a system memory, register the at least one host agent in a registry stored in system management memory, receive a system management interrupt (SMI) from one of the plurality of host agents to update a memory region type, determine if the host agent issuing the SMI is listed in the registry stored in system management memory, update the memory region in response to determining the host agent issuing the SMI is listed in the registry, and maintain the memory region type in response to determining the host agent issuing the SMI is not listed in the registry.

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