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Linux 7.0: Stable Rust and AI in Kernel Development

https://sudonull.com/linux-7-0-stable-rust-and-ai-in-kernel-development

Learn about key changes in Linux 7.0: stable Rust support, policy on AI tools, improvements in file systems and virtualization. Analysis of implications for developers and business. Read details and impact on the IT industry.

Backdoor in wait4(): Linux kernel vulnerability

https://sudonull.com/backdoor-in-wait4-linux-kernel-vulnerability

Analysis of a real backdoor in the Linux kernel from 2003: how an assignment error in wait4() opened root access. Lessons for developers: code review, Git, fuzzing. Study the details of the attack.

HTTP Latency Diagnostics: from Nginx to the Kernel

https://sudonull.com/http-latency-diagnostics-from-nginx-to-the-kernel

Searching for causes of latency in the HTTP pipeline. Analysis of Nginx logs, Server-Timing, and TCP_INFO for quick localization of bottlenecks.

NFS Linux Vulnerability: 23 Years Until Discovery by Claude

https://sudonull.com/nfs-linux-vulnerability-23-years-until-discovery-by-claude

Claude Code found heap overflow in Linux NFS driver since 2003. Script for kernel code audit. LLM progress in bug hunting. Learn details and methodology for your projects.

Port Mac OS X Cheetah to Wii: XNU and device tree

https://sudonull.com/port-mac-os-x-cheetah-to-wii-xnu-and-device-tree

Technical details of porting Mac OS X 10.0 to Nintendo Wii: Mach-O, kernel patching, device tree. For middle/senior dev. Study the code and boot steps.

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