New GPUThor Rowhammer Defeats ECC on NVIDIA RTX A6000 to Gain Host Root Access

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 ,...

Security Notice: Rowhammer - July 2025

NVIDIA has released this security notice in response to customer inquiries about potential impacts to NVIDIA GPUs from Rowhammer attacks. Go to NVIDIA Product Security. Details NVIDIA has received new research related to the industry-wide DRAM issue known as “Rowhammer”. The research demonstrates...