Linternals: Virtual Memory [0x02]
We continue our journey to understand virtual memory in Linux, as we take a closer look at the user virtual address space.…
CVE-2022-0435: A Remote Stack Overflow in The Linux Kernel
Recently I discovered a vulnerability in the Linux kernel that's been lurking there since 4.8 (July 2016)! CVE-2022-0435 is a remotely and locally exploitable stack overflow in the TIPC networking module of the Linux kernel…
A Dummy's Guide to Disclosing Linux Kernel Vulnerabilities
A post sharing some insights into the process behind responsibly disclosing vulnerabilities in the Linux kernel...…
Linternals: Virtual Memory [0x01]
Alright, let's get stuck into some Linternals! As the title suggests, this post will be exploring the ins and outs of virtual memory with regards to modern Linux systems. I say Linux systems, but this topic, like many in this series, treads the line between examining the Linux kernel and…
Setting Up A Virtualised (Linux) Empire on Apple Silicon
Follow me on my journey moving my virtualisation workflow as a Linux security researcher from Linux x86_64 to MacOS aarch64.…
Linternals: Introduction
It's the moment you've all been waiting for, so without further ado, let me introduce my Linux Internals - AKA Linternals - series. Uh, lin- what now? The aim of this series is to provide some semi-deep dives into various parts of the Linux kernel and some core user applications.…
The Month in Linux [0x02]
Alright, here we go again! Another month, same deal: I've picked out some highlights that I think are interesting and worth sharing from the last month or so in the Linux space. Caveat of course being unfortunately I have to do other lame things like eat and sleep, so feel…
What's The Deal With Anti-Cheat On Linux?
Over the last few years there's been leaps and bounds made in Linux gaming, with continuous improvements being made to compatibility layers and GPU drivers. With over 15,000 Windows games reported working on Linux thanks to Proton[1], things are golden right (or should I say platinum, à la…