As many kernel developers and hackers have known for years, loadable/unloadable kernel modules (like user-space applications) are almost never bug-free. With the continuing use and development of ...

Modern CPUs can run in two modes: kernel mode and user mode. When a CPU runs in kernel mode, an extended set of instructions is allowed, as is free access to anywhere in memory and device registers.

I did something recently I haven’t done in a long time: I recompiled the Linux kernel. There was a time when this was a common occurrence. You might want a feature that the default kernel didn’t ...

Security modules watch the rest of the Linux system for intruders, but if they’re dynamically loadable, qui custodiet ipsos custodes? The ever-contentious Linux Security Modules (LSM) API is being ...