[Cryptech Tech] rowhammer on novena

Randy Bush randy at psg.com
Tue Mar 10 07:59:15 UTC 2015


>> novena:/root/rowhammer# ./make.sh
>> /tmp/ccXI3QV7.s: Assembler messages:
>> /tmp/ccXI3QV7.s:390: Error: bad instruction `clflush (r0)'
>> arm limitation?
> From some casual google searching, it seems clflush is an x86
> instruction?

yep

> I'd call that a rowhammer limitation ;)

or a rowhammer test limitation?

so how would we exploit the flaw on an arm?

randy


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