chipsec.modules.tools.cpu.sinkhole module

This module checks if CPU is affected by ‘The SMM memory sinkhole’ vulnerability

References:

• Memory Sinkhole presentation by Christopher Domas

• Memory Sinkhole whitepaper

Usage:

chipsec_main -m tools.cpu.sinkhole

Examples:

>>> chipsec_main.py -m tools.cpu.sinkhole

Registers used:

• IA32_APIC_BASE.APICBase

• IA32_SMRR_PHYSBASE.PhysBase

• IA32_SMRR_PHYSMASK

Note

• Supported OS: Windows or Linux

Warning

• The system may hang when running this test.

• In that case, the mitigation to this issue is likely working but we may not be handling the exception generated.