Patch Linux kernel version 5+ to subvert memory protections

If you’re interested in removing some of the memory protections (especially around RWX) in the Linux kernel version 5+, here are some pointers:

In the arch folder, edit the Kconfig file, and look for config STRICT_KERNEL_RWX and config STRICT_MODULE_RWX. You can change their default value to the values below.

In the init folder, edit the main.c file and search for the line containing


One option would be to undefine both of them:

Another option is to search for the mark_readonly(void) function, and remove most of its contents:

Afterwards, you can compile the kernel and enjoy modifying structures that were once read-only.