The Opportunities and Limitations of Extended Page Table Switching for Fine-Grained Isolation

IEEE Security & Privacy（2023）

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摘要

Extended Page Table switching with VMFUNC is a hardware isolation mechanism available in Intel CPUs. VMFUNC is attractive for low overhead and the possibility to isolate privileged kernel code. However, many careful design decisions are needed to ensure the security of the isolation boundary.

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关键词

extended page table switching,isolation,fine-grained

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