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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 Rejection of outdated certificates, audit mode, AppLocker.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/

1 day ago · This site is operated by the Linux Kernel Organization, a 501 (c)3 nonprofit corporation, with support from the following sponsors.

Kernel (operating system) - Wikipedia

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

This central component of a computer system is responsible for executing programs. The kernel takes responsibility for deciding at any time which of the many running programs should be allocated to the …

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

https://github.com/torvalds/linux

2 days ago · Linux kernel ============ The Linux kernel is the core of any Linux operating system. It manages hardware, system resources, and provides the fundamental services for all other software.

The Linux Kernel Archives

https://www.kernel.org/?lang=1

Jul 19, 2026 · Other resources Git Trees Documentation Kernel Mailing Lists Patchwork Wikis Bugzilla Mirrors Linux.com Linux Foundation Site Atom feed Releases Atom Feed Kernel Planet

Kernel in Operating System - GeeksforGeeks

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

Apr 23, 2026 · The kernel manages system resources, such as the CPU, memory and devices, ensuring everything works together smoothly and efficiently. It handles tasks like running programs, accessing …

Linux kernel - Wikipedia

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

Since the late 1990s, it has been included in many operating system distributions, many of which are called Linux. One such Linux kernel operating system is Android, which is used in many mobile and …

K3rnelPan1c — KernelOS & !K3rnalyze (Official)

https://kernelos.org/

KernelOS gives you a complete Windows overhaul — from kernel-level scheduling to power management — all working together to give you every possible edge. Extensively tuned MMCSS and …

linux/kernel at master · torvalds/linux · GitHub

https://github.com/torvalds/linux/tree/master/kernel

Linux kernel source tree. Contribute to torvalds/linux development by creating an account on GitHub.

What is the Linux Kernel? | Ubuntu and Linux | Linux kernel

https://canonical.com/knowledge/ubuntu-and-linux/what-is-linux-kernel

The Linux kernel is the main component behind Linux operating systems, and acts as the intermediary between a computer’s hardware and software layers. The Linux kernel is widely used and its …

Kernel Wealth - KiwiSaver, index funds & savings for Kiwis

https://kernelwealth.co.nz/

Set an individual account up in minutes, to manage and grow your money with Kernel. Whether it’s kids, individual or trust accounts, we’ve got your family covered. Protect future generations’ wealth through …

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