New Rowhammer Attack Bypasses ECC on NVIDIA GPUs, Granting Root Access

Academic researchers have unveiled 'GPUThor,' a Rowhammer attack targeting NVIDIA workstation GPUs, including the RTX A6000, which utilize GDDR6 memory. The attack successfully circumvents error correction codes (ECC), a key security mitigation, enabling denial-of-service and privilege escalation to a root shell. This discovery highlights a critical hardware security vulnerability in widely used AI and professional graphics cards.