Skip to main content

Tag: gputhor

2 articles

Close-up of NVIDIA graphics card in partially disassembled computer on cluttered laboratory desk.

NVIDIA GPUs Vulnerable to GPUThor Rowhammer Attack Bypassing ECC

NVIDIA GPUs are vulnerable to a new type of attack, dubbed GPUThor, which can cause massive corruption - up to 377,552 bit flips per gigabyte - on certain models, including the RTX A5000, when their GDDR6 memory is exploited. This Rowhammer-style attack can bypass ECC protection, putting powerful NVIDIA workstation cards at risk.

Analyst 207
Close-up of a computer circuit board with a central GPU surrounded by memory chips.

GPUThor Attack Bypasses NVIDIA ECC Protection

Meet GPUThor, a game-changing attack that shatters NVIDIA's ECC protection, making it alarmingly easy to execute practical root-level attacks. This sinister technique can trigger a staggering 72,000 to 377,000 bit flips per gigabyte, putting even the toughest defenses to shame.

Analyst 207