In this second excerpt, Abbott discusses kernel modules and device drivers. In Part 1 of this excerpt the author worked through an example of a simple kernel module. In this installment, Abbott ...

What’s more, is because module_param specifies 0644 — an octal Linux permission — there will be an entry in the /sys/modules directory that will let the root set or read the value of the key.

Although Linux does not (yet) support this binary format, the good news is that you can learn how to write kernel modules by implementing COM support for the Linux kernel.

What are Linux modules? Kernel modules are chunks of code that are loaded and unloaded into the kernel as needed, thus extending the functionality of the kernel without requiring a reboot.

But, there is nothing to stop your code from overwriting or accessing memory locations from anywhere in the kernel's address space. Also, if your module hangs, the kernel hangs (technically, your ...

The news that a kernel lockdown module has been finally approved has been greeted positively in the Linux and cyber-security communities. Windows Vista: Let’s lock down the kernel Linux 3.x: lul ...

Up until about 10 years ago I wrote a lot of Linux device drivers. The last one I wrote was in '03, needless to say I'm out of practice (and out of date, that was for a 2.4 kernel). I've got 2 ...

The Linux kernel development community is emphasizing the need for open source device drivers, in a statement released Monday. While the vast majority of device drivers have open source, there are ...

A patch was finalized by the module's maintainers by October 21 and released on lore.kernel.org four days later. The fix has now also been added to the mainline repository, released on October 29 ...

Installable kernel modules offer a very useful way to extend the functionality of the basic Linux kernel and add new features without having to rebuild the kernel. A key feature is that modules may be ...