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.
https://sudonull.com/icmp-tunnel-in-the-linux-kernel-tcp-udp-encapsulation
How to implement an ICMP tunnel in the Linux kernel for TCP/UDP traffic encapsulation. Code analysis, Netfilter hooks and working with sk_buff. Useful for middle/senior developers.
https://sudonull.com/elks-0-9-for-8086-linux-kernel-on-16-bit
ELKS 0.9 released for Intel 8086/80286: Nano-X, NXDSKTOP, C86 toolchain, Doom. Test in QEMU or Bochs. Update details for developers.
https://sudonull.com/sched-ext-bpf-schedulers-in-linux-6-12
Explore sched_ext — a new class of schedulers in the Linux 6.12 kernel. Dynamic policy replacement via BPF for optimization under workloads. Benchmarks, examples, scenarios.
https://sudonull.com/removing-i486-from-linux-molnar-s-patch
Ingo Molnar proposes to remove i486 support from the Linux kernel, cutting the code by 14 thousand lines. CX8 and TSC emulation will go away. Details for x86 developers.
https://lrivo.com/linus-gu-ther-bundesliga-s-second-youngest-player-at-16
Union Berlin's Linus Güther makes history as the Bundesliga's second youngest player at 16. Learn more about his debut and the match.
https://ymaho.com/lincx-biological-wire-rewires-brain-circuits
LinCx technology edits neural connections, increasing stress resistance without drugs. Learn how a one-time method changes depression treatment.
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Analysis of EIC Tech Report 2026: 25 early deep-tech signals to strengthen Europe. Bio-inspired AI, quantum communications, biomineralization, and surgical robotics. Who wins and who loses? Read the full review.
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