You typically can’t do direct port I/O, for example, or arbitrarily access memory. The kernel, ... 13 thoughts on “ Linux Fu: Kernel Modules Have Privileges ” jpa says: ...

Modules are stilluseful when testing a new driver. You don’t need to build a new kernelimage every time you find and fix a problem in your driver code. Justload it as a module and try it. Keep in mind ...

Our example uses the 2.5.31 kernel release, which contains enough of the LSM interface for us to create a useful module. In our module, we want to prevent any programs with the group ID of 0 (root) ...

This article presents a cracker idea—the kernel module exploit—and shows how you can improve your system's security by using some of the same ideas and techniques. First, I will discuss the origin of ...

New Linux kernel "lockdown" module to limit high-privileged users -- even root -- from tampering with some kernel functionality. Written by Catalin Cimpanu, Contributor. Contributor.

LKRG kernel modules are currently available for main Linux distros such as RHEL7, OpenVZ 7, Virtuozzo 7, and Ubuntu 16.04 to latest mainlines. Not a perfect solution ...

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 ...