Intel engineers have been reworking Intel CPU model handling for Linux after using "Family 6" since the mid-90's with the P6 micro-architecture and continuing to rev the model ID only with new micro-architectural generations. It's an end of the era for Family 6 coming up and thus there's a lot of Linux patches being worked on to address assumptions within the kernel code that was only checking for an Intel CPU's model ID and not for any family ID differences...
Via: https://www.phoronix.com/news/Intel-CPU-Models-Linux-6.10