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Re:New flaw in Intel chips lets attackers slip their own dat... by MauranKilom on Tuesday March 10, 2020 @04:38PM (#22539423)
I understand how they turn incorrect store forwarding into an attack, but can somebody summarize what causes the store forwarding to be wrong in the first place?
Re:New flaw in Intel chips lets attackers slip their own dat... by redrabbyte on Tuesday March 10, 2020 @06:43PM (#22540666)
short version: only the lower bits of an address are compared at first, because the rest might take a while to resolve so the cpu can speculate that the rest is gonna match as well and start to work with the data, and then either keep it or throw it away once the rest of the address is known