8 ms·
This is really cool, but do sandboxed Android apps really have access to set CPU frequency/voltage to invalid combinations? Or is this only useful as a way to b
by ak217 9y ago
This is really cool, but do sandboxed Android apps really have access to set CPU frequency/voltage to invalid combinations? Or is this only useful as a way to break into the secure enclave after getting root privilege escalation through other means?
- wmf 9y agoYou definitely have to be root to do this. In the future there might be a dedicated core (PCU) to control frequency/voltage so even root on the main cores may not be able to do it.