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Explore the security implications of io_uring in Android kernels through this 27-minute Black Hat conference talk. Delve into the exploitation of CVE-2022-20409, a use-after-free vulnerability in the io_uring subsystem, to achieve privilege escalation on Google Pixel 6 and Samsung S22 devices. Learn about the challenges of exploiting io_uring bugs in Android's restricted environment and discover novel techniques for memory layout manipulation. Gain insights into the potential risks associated with this high-performance asynchronous I/O framework and its impact on Android security.
