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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.

Windows Kernel Policy: Only WHCP Drivers from 2026

https://sudonull.com/windows-kernel-policy-only-whcp-drivers-from-2026

Microsoft tightens driver trust in Windows 11 and Server 2025 kernel. Rejection of outdated certificates, audit mode, AppLocker. Details of changes for developers and admins — read and prepare.

OptimaOS on Rust: single kernel for all platforms

https://sudonull.com/optimaos-on-rust-single-kernel-for-all-platforms

Explore OptimaOS architecture — kernel on Rust without forks for desktop, servers and Edge. Separation of mechanisms/policies, Linux ABI, memory safety. Detailed breakdown for developers.

Anticheats: user-mode and kernel-mode limitations

https://sudonull.com/anticheats-user-mode-and-kernel-mode-limitations

Breakdown of anticheat levels, DLL injection detection and DMA. Technical principles for developers. Study the weaknesses and evolution of game protection systems.

SystemRescue 13.0: kernel updates and HiDPI

https://sudonull.com/systemrescue-13-0-kernel-updates-and-hidpi

New features in SystemRescue 13.0: Linux 6.18 LTS, bcachefs 1.37, yq, HiDPI scaling. Ideal for system recovery. Download ISO and test it.

From the web

The Linux Kernel Archives

https://www.kernel.org/

6 days ago · Social Site Atom feed Releases Atom Feed Kernel Planet This site is operated by the Linux Kernel Organization, a …

Kernel (operating system) - Wikipedia

https://en.wikipedia.org/wiki/Kernel_%28operating_system%29

7.1.1Hardware- or language-based protection.

Kernel - Wikipedia

https://en.wikipedia.org/wiki/Kernel

This disambiguation page lists articles associated with the title Kernel. If an internal link incorrectly led you here, you may wish to …

GitHub - torvalds/linux: Linux kernel source tree · GitHub

https://github.com/torvalds/linux

Sep 3, 2017 · The Linux kernel is the core of any Linux operating system. It manages hardware, system resources, and provides the …

Kernel in Operating System - GeeksforGeeks

https://www.geeksforgeeks.org/operating-systems/kernel-in-operating-system/

Apr 23, 2026 · A kernel is the core part of an operating system. It acts as a bridge between software applications and the hardware of …

The Linux Kernel Archives - Releases

https://www.kernel.org/category/releases.html

Feb 25, 2026 · Prepatch or "RC" kernels are mainline kernel pre-releases that are mostly aimed at other kernel developers and Linux …

K3rnelPan1c — KernelOS & !K3rnalyze (Official)

https://kernelos.org/

Every component of KernelOS is intentionally tuned. No placebo tweaks, no marketing fluff — just real, measurable performance …

Kernel Versions - Download Center

https://www.kernel.is/?lang=en

Download the kernel file using the link below Download the PGP signature file Import the kernel developer's public key: gpg --locate …

What is a Kernel? | Definition from TechTarget

https://www.techtarget.com/searchdatacenter/definition/kernel

Aug 1, 2024 · What is a kernel? A kernel is the essential foundation of a computer's operating system (OS). It's the core that provides …

The Linux Kernel documentation — The Linux Kernel documentation

https://docs.kernel.org/

The following manuals are written for usersof the kernel — those who are trying to get it to work optimally on a given system and …

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