XNU Kernel – core-jmp

How Can You Not Be Romantic About UNIX Domain Sockets: A 40-Year Kernel Bug From the DEF CON Stage

Yuval Hanoch Hirschenbein Sadde traced a DEF CON 34 demo crash to one character in XNU: unp_ino++ assigns inode 0 to the…

oxfemale· Sep 9· 18 min ·261

The 49-Day macOS Time Bomb: How a TCP Timer Overflow Breaks the Network Stack

MacOS292

MacOS Network

The 49-Day macOS Time Bomb: How a TCP Timer Overflow Breaks the Network Stack

A bug in macOS’s TCP stack causes networking to fail after about 49.7 days of uptime. A 32-bit timer overflow freezes the…

oxfemale· Apr 9· 14 min ·292

Booting into Trust: Reverse Engineering macOS Secure Boot Internals

Apple Silicon372

Apple Silicon Boot ROM

Booting into Trust: Reverse Engineering macOS Secure Boot Internals

The article analyzes the macOS secure boot chain on Apple Silicon, showing how Boot ROM, cryptographic verification, Secure Enclave, and staged bootloaders…

oxfemale· Mar 20· 196 min ·372

// XNU Kernel

How Can You Not Be Romantic About UNIX Domain Sockets: A 40-Year Kernel Bug From the DEF CON Stage

The 49-Day macOS Time Bomb: How a TCP Timer Overflow Breaks the Network Stack

Booting into Trust: Reverse Engineering macOS Secure Boot Internals