>> Ядро для архитектуры amd64 адаптировано для загрузки с применением техники зашиты W^X (write XOR execute)
> Серьёзно?
> В конце 2к19 века разработчки FreeBSD всё же сподобились?

Т.е. опеннетных аналитиков не смутило слово "ядро" и "по умолчанию"?

> FreeBSD has long made use of the NX flag for userspace mappings whenever possible, but only in the past several years has it been applied to kernel mappings. A recent project has sought to implement a W^X-by-default policy
> With a few rare exceptions, the only kernel mappings which require execute permission are those of the kernel executable itself, and loadable kernel modules. A number of other regions of memory were unnecessarily being mapped without NX