Basic module for enforcing kernel lockdown

modulename: lockdown.ko

configname: CONFIG_SECURITY_LOCKDOWN_LSM

Linux Kernel Configuration
└─>Security options
└─>Basic module for enforcing kernel lockdown
In linux kernel since version 5.1 (release Date: 2019-05-05)  
Build support for an LSM that enforces a coarse kernel lockdown
behaviour.

source code:
selects
CONFIG_MODULE_SIG

depends
CONFIG_SECURITY