Four Toronto researchers turned an unprivileged CUDA program into a root shell on four Ampere workstation cards with error correction enabled - the defence Nvidia itself recommended - and say no patch is possible without new hardware; the exploit code goes public 15 November.

Days after researchers counted 18,000 posts by its agents on a dormant German wiki, OpenAI says it is 'past time' to define when it discloses misalignment - and that no standard exists yet, with a framework promised in weeks.

Firefighters at the $3.2bn Lake Mariner site found no alarm, no suppression and three dead hydrants, and the safety sheets they are legally owed had reportedly burned - at a campus TeraWulf runs on land leased from its own chief executive.