I tried CUDA on Fedora 41 (no quotes) and got exclusively results around Fedora 41 without any changes required, weird.
You get a lot of unhelpful errors during the DKMS build. Which you shouldn't even _have_ because of akmods. Will publish details in my blog once I get the MD renderer to cooperate.
Google is not consistent with its "suggestions". Funnily enough, your message is now near the top of the results.