ARM TrustZone Hacked By Abusing Power Management

Slashdot
By EditorDavidSep 24, 2017, 9:30 am158 pts
"This is brilliant and terrifying in equal measure," writes the Morning Paper. Long-time Slashdot reader phantomfive writes: Many CPUs these days have DVFS (Dynamic Voltage and Frequency Scaling), which allows the CPU's clockspeed and voltage to vary dynamically depending on whether the CPU is idling or not. By…

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