Yes you can boot Linux with secure boot on UEFI as long you use a preloader like shim, graciously signed by Microsoft. That’s what most distribution are doing.

Yes you can boot Linux with secure boot on UEFI as long you use a preloader like shim, graciously signed by Microsoft. That’s what most distribution are doing. With the access to the UEFI, you can add your own trusted key, without needing to rely on Microsoft good will on signing your preloader.