Re:MIT researchers uncover ‘unpatchable’ flaw in Apple M1 chips
by dg246 on Saturday June 11, 2022 @08:46AM
(#31704057)
Really amazing work here!
A colleague pointed out that FPAC[1] in ARMV8.6-A likely prevents this attack, is that right?
I haven't fully digested the paper, but the gadgets seem to rely on AUT, and "Implementations with FPAC generate an exception on an AUT* instruction where the PAC is incorrect"
A colleague pointed out that FPAC[1] in ARMV8.6-A likely prevents this attack, is that right?
I haven't fully digested the paper, but the gadgets seem to rely on AUT, and "Implementations with FPAC generate an exception on an AUT* instruction where the PAC is incorrect"
[1] https://community.arm.com/arm-community-blogs/b/architecture...