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A Linux 0-day vulnerability in __ptrace_may_access() allows unprivileged users to read root-owned files like SSH host keys and /etc/shadow. Affects many distros and kernels, with exploits available for ssh-keysign and chage.
Researchers from Calif disclosed the first public macOS kernel memory corruption exploit on Apple M5, bypassing the MIE hardware mitigation and achieving local privilege escalation on the latest macOS version.
The article explains the Linux kernel boot process on x86_64, from bootloader handoff to user space initialization, using a space colony metaphor to describe the initialization phases.
A report on three serious Linux local privilege escalation vulnerabilities discovered in May 2026, highlighting breakdowns in the disclosure model and implications for production environments.
Linux gaming performance improves as Windows-specific synchronization APIs are implemented directly in the Linux kernel via the NTSYNC driver, which is now loaded by default on Steam Decks, contributing to better game compatibility and speed.
OpenBSD developer details the painful quirks of VAX floating-point exceptions and how they complicate kernel porting.
Arc1011 released KernelUNO, a Unix-like shell and filesystem for Arduino UNO that fits in 2KB RAM and offers 22 commands for hardware control and file operations.
FlashKDA is a high-performance implementation of Kimi Delta Attention (KDA) kernels built on CUTLASS, optimized for SM90+ GPUs and integrated with flash-linear-attention.