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- W4367000241 abstract "Performance Monitoring Unit (PMU) is a common hardware module in Intel CPUs. It can be used to record various CPU behaviors therefore it is often used for performance analysis and optimization. Of the 65536 event spaces, Intel has officially published only 200 or so. In this paper, we design a hidden PMU event collection method. And we found a large number of undocumented PMU events in CPUs of Skylake, Kabylake, and Alderlake microarchitectures. We further demonstrate the existence of these events by using them for transient execution attack detection and build-side channel attacks. This also implies that these hidden PMU events have huge exploitation potential and security threats." @default.
- W4367000241 created "2023-04-27" @default.
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- W4367000241 date "2023-04-24" @default.
- W4367000241 modified "2023-10-16" @default.
- W4367000241 title "Exploration and Exploitation of Hidden PMU Events" @default.
- W4367000241 doi "https://doi.org/10.48550/arxiv.2304.12072" @default.
- W4367000241 hasPublicationYear "2023" @default.
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