Kernel-based
KernelSU is working in Linux kernel mode, it has more control over userspace applications.
KernelSU
A kernel-based root solution for Android
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Whitelist access control
Only App that is granted root permission can access `su`, other apps cannot perceive su.
Restricted root permission
KernelSU allows you to customize the uid, gid, groups, capabilities and SELinux rules of su. Lock up the root power in a cage.
Module & Open source
KernelSU supports modify /system systemlessly by overlayfs and it is open-sourced under GPL-3.