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- W4213103670 abstract "Dynamic Voltage and Frequency Scaling (DVFS) is a widely deployed low-power technology in modern systems. In this paper, we discover a vulnerability in the implementation of the DVFS technology that allows us to measure the processor's frequency in the userspace. By exploiting this vulnerability, we successfully implement a covert channel on the commercial Intel platform and demonstrate that the covert channel can reach a throughput of 28.41bps with an error rate of 0.53%. This work indicates that the processor's hardware information that is unintentionally leaked to the userspace by the privileged kernel modules may cause security risks." @default.
- W4213103670 created "2022-02-24" @default.
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- W4213103670 date "2022-01-17" @default.
- W4213103670 modified "2023-10-18" @default.
- W4213103670 title "DVFSspy: Using Dynamic Voltage and Frequency Scaling as a Covert Channel for Multiple Procedures" @default.
- W4213103670 doi "https://doi.org/10.1109/asp-dac52403.2022.9712588" @default.
- W4213103670 hasPublicationYear "2022" @default.
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