The cost of high-performance GPUs, typically $8,000 or more, means they are frequently shared among dozens of users in cloud environments. Three new attacks demonstrate how a malicious user can gain ...

Last year, we covered the first known Rowhammer attack on GPUs, dubbed "GPUHammer," which proved that VRAM is also susceptible to bit flips. At the time, our story focused on how GPUHammer can cripple ...