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100 postsJanuscape: 16-Year-Old UAF in KVM Shadow MMU Crashes Hosts
CVE-2026-53359 (Januscape) is a 16-year-old UAF in KVM's shadow paging code enabling guest-to-host escape; the public PoC reliably panics the host, disrupting all co-located VMs.
Why AI visibility dashboards are mostly useless
AI search visibility trackers have become a $100M industry, but research shows most of these measurements are statistically meaningless noise dressed as precision.
Januscape: 16-Year-Old Critical Linux KVM Escape, PoC Public
CVE-2026-53359 (Januscape) is a critical Linux KVM guest-to-host escape in the shadow MMU, present since 2010; a public PoC causes host kernel panic.
CommitBrief — AI code reviews, right in your terminal
A provider-agnostic, local-first CLI that reviews your staged changes, a historic range, or a whole GitHub pull request. Zero telemetry, no server. Free and open source.
commitbrief.comantirez's DS4 engine: DeepSeek V4 Flash tops local coding on a MacBook Pro
DeepSeek V4 Flash via antirez's DS4 engine one-shots complex coding prompts on a MacBook Pro, outperforming other local models in real-world testing.
Cursor Sandbox Escape Shows AI Agents Need Kernel Boundaries
Two critical bugs in Cursor's command sandbox let an attacker-controlled AI agent write outside it and reach RCE. Both are fixed in Cursor 3.0.
How the Linux kernel's iomap layer works
An LWN deep dive explains how the Linux kernel's iomap layer maps files to storage, replacing buffer heads and cutting filesystem boilerplate code.
Cache invalidation: solving stale data and stampede problems
An engineering look at TTL, event-based invalidation, versioning and single-flight patterns, and how cache stampede can take down your origin in production.
Half My Traffic Was Bots: A 4-Day Layered Defense Stack
A developer discovered headless bots executing JS made up half his traffic, then built a 4-day, five-layer defense using robots.txt, ISR, Redis, and Vercel BotID.
Kernel-Level Anti-Cheat: A Growing Security Concern
Kernel-level anti-cheat drivers from Riot, EA, and Epic face scrutiny over ownership ties, data collection, and security vulnerabilities in major games.
llama.garden: A Nostr-Powered Decentralized LLM Torrent Network
llama.garden distributes LLM weights via BitTorrent, using a Nostr-based catalog and Hugging Face servers as fallback seeds so downloads work even without seeders.