Chips from Chinese semiconductor designer Hygon Information Technology were found unaffected by a recently disclosed vulnerability in products developed by its US tech licenser and former joint venture partner Advanced Micro Devices (AMD), according to analysts, which showed progress in China’s self-reliance drive. Hygon’s central processing units (CPUs), which were developed under a licence to use AMD’s X86-based Zen chip architecture, did not have the hardware security flaw that affected a...