The vulnerabilities, which have been patched, may have novel appeal to attackers as an avenue to compromising phones.
Demand for graphics processing units or GPUs has exploded in recent years as video rendering and artificial intelligence systems have expanded the need for processing power. And while most of the most visible shortages relate to top-tier PC and server chips, mobile graphics processors are the version that everyone with a smartphone is using everyday. So vulnerabilities in these chips or how they're implemented can have real world consequences.
” Xing is referring to the fact that applications on Android phones can talk to the Adreno GPU driver directly with “no sandboxing, no additional permission checks,” as he puts it. This doesn't in itself give applications the ability to go rogue, but it does make GPU drivers a bridge between the regular parts of the operating system , and the system kernel, which has full control over the entire device including its memory. “GPU drivers have all sorts of powerful functions,” Xing says.
Android Vulnerabilities Cybersecurity Hacking Black Hat Defcon
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