4 ms·
I'm not sure this is still true (on modern devices): https://grapheneos.org/faq#baseband-isolation https://grapheneos.org/faq#baseband-isolation There's Enhanc
by flotzam 5y ago
I'm not sure this is still true (on modern devices): https://grapheneos.org/faq#baseband-isolation https://grapheneos.org/faq#baseband-isolation
There's Enhanced 9-1-1 but its GPS access should be mediated by the OS? Hopefully?
- numpad0 5y agoGPS in 3G or later is integral to Baseband Processor which is a separate ARM CPU that runs its own RTOS. If your adversary gets to push BP patch over SMS you're probably owned no matter what OS you run on Application Processor.
- chriscappuccio 5y agoGraphene suggests that it uses iommu and similar hardware on supported devices to mitigate (some) attacks like this.
- ozymandias12 5y agoWhat’s the story Apple/Samsung etc tell for GPS to be this leaky? Shouldn’t the GPS be solely handled by the OS?
- numpad0 5y agoThere's only so much you could without making your own modem... Current cellular modems are autonomous and integrated. It's architectural.