This story was originally published on HackerNoon at:
https://hackernoon.com/pixel-11-drops-hardware-memory-tagging-and-grapheneos-may-skip-it-entirely.
Pixel 11 drops ARM Memory Tagging Extension, a key hardware security feature. Here’s why GrapheneOS calls it a serious security regression.
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The Pixel 11 drops ARM Memory Tagging Extension (MTE), a hardware-level defense against memory corruption exploits. GrapheneOS says the missing feature is serious enough that it may skip the entire Pixel 11 generation. Google’s new security features, including post-quantum crypto, don’t replace MTE’s protection against today’s memory attacks. The Pixel 11 isn’t suddenly insecure, but losing MTE without an equivalent replacement is a clear security step backward.