Attacking a co-hosted VM: A hacker, a hammer and two memory modules

Row-hammer is hardware bug that can cause bit-flips in physical RAM. Mark Seaborn and Thomas Dullien were the first to exploit the DRAM row-hammer bug to gain kernel privileges. Kaveh Razavi et al. pushed the exploitation of row-hammer bugs to the next level. They abused an OS feature – memory … Continue reading Attacking a co-hosted VM: A hacker, a hammer and two memory modules