A logic bug in the kernel’s AEAD crypto path lets an unprivileged user write four controlled bytes anywhere in the page cache. The same 732-byte Python script Theori dropped roots Ubuntu, RHEL, SUSE, Amazon Linux, basically every major distro shipped since 2017. Walking through how the chain actually works.
Finished the Google Cybersecurity Professional Certificate on Coursera. Here’s what’s good, what’s bad, and how it compares to a university course on the same topic.
A walkthrough of the final project for my security class, a secure ad-hoc Bluetooth network over BLE with a tree topology, mutual auth, ECDH session keys, and DTLS-style end-to-end encryption
Apple pokes the AI bear by claiming that LRMs are actually a scam. Or are they?
A dive into CPU undervolting, where less voltage means cooler temps, lower power draw, and better sustained performance
A practical, mildly obsessive guide to motherboards. From what they control, why they matter, and how not to fry your CPU by trusting marketing fluff
A quick-reference sheet for cisco CLI commands covering routing, switching, VLANs, NAT, DHCP, and IPv6
A no-nonsense guide to turning your Obsidian notes into a slick, version-controlled Hugo website with Git and Cloudflare. Minimal friction, maximum vibes
One vendor, one bad file, 8.5 million blue screens. What July 19th taught me about trusting the software that’s supposed to be protecting us.