Temporal side-channels and you: Understanding TLBleed (opens in new tab)

(redhat.com)

59 pointsswonderl7y ago3 comments

3 comments

Maybe the answer is "wait and see the full details when they become available", but is there an example of code that is hardened against cache side channel attacks but would be vulnerable against TLB side channel attacks?

willvarfar7y ago

TLBleed is not just extracting which pages of memory are touched but also in which order. How do you harden e.g. scrypt against this?

thecompilr7y ago

Symmetric MultiThreading (SMT) - that would be Simultaneous MultiThreading

j / k navigate · click thread line to collapse

3 comments

fyi11837y ago

willvarfar7y ago

TLBleed is not just extracting which pages of memory are touched but also in which order. How do you harden e.g. scrypt against this?

thecompilr7y ago

Symmetric MultiThreading (SMT) - that would be Simultaneous MultiThreading

j / k navigate · click thread line to collapse