Two new Rowhammer attacks target Nvidia GPUs, allowing hackers to gain full root control of shared cloud machines. GDDRHammer and GeForge exploit GPU memory to bypass security protections and compromise host systems. https://arstechnica.com/security/2026/04/new-rowhammer-attacks-give-complete-control-of-machines-running-nvidia-gpus/ #AIagent #AI #GenAI #AIInfrastructure #NVIDIA