dram is proven exploitable !!!!!!

http://arstechnica.com/security/2015/03/cutting-edge-hack-gives-super-user-status-by-exploiting-dram-weakness/

>>8
Clflush isn't exotic, actually you can simulate a flush by making cpu discard the cache, just allocate a huge array and write shit in every N bytes which invalidates the entire array, forcing the CPU to load it in the cache again and again and again.