Case Study: macOS NS_01 driver bug

Analyzing macOS IONVMeFamily driver Denial of Service Issue

INTRO

Welcome to another article in the series on macOS security internals!

Explore a detailed case study on detecting vulnerabilities in macOS drivers. Learn how to analyze IOKit, reverse engineer KEXTs, and debug crashes.

This guide walks through the discovery of a Denial of Service (DoS) condition in the NS_01 driver within Apple’s IONVMeFamily, offering insights into fuzzing, integer overflow detection, and crash analysis.

Most of my posts will be available this year on the Afine blog. This is just a proxy for my Medium followers, so they do not miss it. The full article is available here: https://afine.com/case-study-analyzing-macos-ionvmefamily-driver-denial-of-service-issue/