Academic researchers have disclosed a Rowhammer attack impacting NVIDIA workstation GPUs with GDDR6 memory that defeats error correction codes (ECC), the mitigation NVIDIA recommends against GPU Rowhammer, and enables denial-of-service (DoS) and privilege escalation to a root shell.

Dubbed GPUThor, the attack was developed by researchers at the University of Toronto, who hammered four DRAM



Source: TheHackerNews
Source Link: https://thehackernews.com/2026/08/gputhor-rowhammer-defeats-ecc-on-nvidia.html