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Intel & AMD CPUs also have firmware that can be updated as well. Not to mention the BIOS itself which is often blindly trusted.
by kllrnohj 9y ago
Intel & AMD CPUs also have firmware that can be updated as well. Not to mention the BIOS itself which is often blindly trusted.
- subway 9y agoSure -- fortunately on most Intel and AMD CPUs you have some level of control in isolating the host from mobile carriers and those acting as mobile carriers.
- kllrnohj 9y agoMobile carriers do not write or sign the baseband. You're at the whim of the hardware manufacturer in both cases (Intel CPUs & Qualcomm basebands).
- subway 9y agoI'm pretty sure in the case of at least Qualcomm, the carrier can do a heckuva lot more. Most snapdragon SoCs support a pretty hefty subset of OMA-DM at the baseband level, allowing for execution of arbitrary 'apps' on the baseband, by the carrier. Throw in any vulnerability in that baseband stack, and now attackers have a very direct path to system memory.