AOSP also doesn't permit setuid or setgid binaries which was the chosen attack vector for exploiting it in the proof of concept exploit. It similarly doesn't permit io_uring, user namespaces and a lot...
Standard Android GKI kernels also have the userspace API for Linux kernel crypto disabled including CONFIG_CRYPTO_USER_API_AEAD being unset. Many Android vendors enable a lot more functionality in the kernels but probably haven't had an actual reason to enable this functionality.
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