Google Announces New Linux Kernel Defenses for Android

To help keep Android and its kernel more secure, Google has announced a number of new mechanisms within Android. For memory protections, they will mark memory as read-only/no-execute, restrict kernel access to userspace, and improve protection against stack buffer overflows. For attack surface reductions, they will remove default access to debug features, restrict app access to IOCTL commands, and also require Seccomp-BMF.

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