Kernel-basedAs the name suggests, KernelSU runs inside the Linux kernel, giving it more control over userspace apps.
Customizable root privilegesKernelSU allows customization of su's uid, gid, groups, capabilities, and SELinux rules, hardening root privileges.
Metamodule systemPluggable module infrastructure allows systemless /system modifications. Install a metamodule like meta-overlayfs to enable module mounting.