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rising-sky | 5 months ago

MIE

discuss

order

philodeon|5 months ago

MIE is a combination of enhanced MTE (EMTE) and some highly-overdue software allocator improvements.

tucnak|5 months ago

It certainly took them a while to introduce MTE! Pixel 8 came out in 2023. I wonder how it compares against hardened_malloc with 48-bit address space and 33-bit ASLR in Graphene. Apple's security team has reported that MIE could break all "known" exploit chains, but so does hardened_malloc. Hard to tell right now which one is best (most def MIE) but everything else included in Graphene is probably making the point moot anyway.

rising-sky|5 months ago

Yes, but it is not MTE, they are technically different. That's what I was attempting to point out but thought it may have been a typo