Also called "supervisor mode," the kernel mode enables the OS (kernel) to execute "privileged instructions," which access the hardware directly. Applications run in the more restricted user mode.

perfmon says that 'Kernel Current URIs Cached = 2 (average) and that 'Output Cache Current Items' = 3000-4000 (average) I think that this means that almost all of the objects are in the User Mode ...

McObject has released eXtremeDB Kernel Mode (KM), a version of the company's in-memory embedded database system designed for deployment in the operating system kernel. Representative applications ...

User-mode WireGuard has been available in FreeBSD since 2019 and remains unaffected. If you pkg install wireguard, you get user-mode WireGuard, better known as wireguard-go.