GPU Hacked

First-ever Rowhammer attack strikes NVIDIA A6000 — exposing a new frontline in memory warfare.

For the first time, researchers from the University of Toronto have demonstrated a successful Rowhammer attack on an NVIDIA A6000 GPU using GDDR6 memory, proving that high-performance GPUs—once thought immune—are now vulnerable. The attack was only successful when System-Level ECC (Error Correcting Code) was disabled, with ECC shown to be a strong defense. NVIDIA responded by urging customers to activate ECC where supported, especially in enterprise and cloud environments, and confirmed that newer architectures (like Hopper and Blackwell) have default protections. This incident underlines the evolving nature of memory attacks and reinforces the need for hardware-level security vigilance.

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