As reported by Bloomberg, Nvidia was summoned by "Beijing authorities" over suspected security risks with its H20 chips. Nvidia is said to have been asked to explain potential risks by the Cyberspace Administration of China, and whether or not Nvidia's chip had a backdoor, which could be accessed and logged remotely without the consent of owners.

Washington in July cleared Nvidia to resume sales of the H20 chips to China, reversing an effective April export ban. Beijing has since sought supporting documentation on potential risks, including vulnerabilities,

China state media is calling for Nvidia Corp. to prove that its H20 chip is secure, saying it can’t allow flawed chips into the country.China’s top internet watchdog summoned Nvidia representatives earlier this week to discuss what Chinese officials called significant security vulnerabilities in the H20.