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Frequency Throttling Side-Channel Attack. (arXiv:2206.07012v1 [cs.CR])
June 15, 2022, 1:20 a.m. | Chen Liu, Abhishek Chakraborty, Nikhil Chawla, Neer Roggel
cs.CR updates on arXiv.org arxiv.org
Modern processors dynamically control their operating frequency to optimize
resource utilization, maximize energy savings, and to conform to system-defined
constraints. If, during the execution of a software workload, the running
average of any electrical or thermal parameter exceeds its corresponding
predefined threshold value, the power management architecture will reactively
adjust CPU frequency to ensure safe operating conditions. In this paper, we
demonstrate how such power management-based CPU throttling activity forms a
source of timing side-channel information leakage, which can be …
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