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The Journey of Bypassing Ubuntu's Unprivileged Namespace Restriction

https://u1f383.github.io/linux/2025/06/26/the-journey-of-bypassing-ubuntus-unprivileged-namespace-restriction.html
12•Bogdanp•3h ago

Comments

0xbadcafebee•1h ago
> As a researcher, it was frustrating to see various bypass methods being publicly disclosed while I couldn’t share my own work because I had already reported it to ZDI. After a few days with no updates, I even emailed ZDI to ask if I could withdraw my submission. Fortunately, my boss, Orange Tsai, stepped in just in time and patiently walked me through the pros and cons of doing so. That helped me regain my composure, and I ended up sending another email to retract my withdrawal request.

If you feel emotion when writing an email (or Slack message), put it in draft and look at it tomorrow. I've never not edited or scrapped it the next day.

Polars Boosted My Algorithm's Speed by 25x

https://john.soban.ski/polars.html
1•runamuck•2m ago•0 comments

Ask HN: What's a mundane task you've deeply optimized for no reason?

1•peterzuck•4m ago•0 comments

Surrealdb

https://surrealdb.com
1•handfuloflight•8m ago•0 comments

UK launched operation to find suspected Russian double agent in MI6

https://www.theguardian.com/uk-news/2025/jun/27/uk-spy-operation-wedlock-suspected-russian-double-agent-mi6
2•mellosouls•8m ago•0 comments

Honey bees sniff-out landmines at the University of Montana

https://matr.net/news/honey-bees-sniff-out-landmines-at-the-university-of-montana/
1•JumpCrisscross•9m ago•0 comments

Big business is abandoning its climate goals

https://www.bloomberg.com/features/2025-corporate-climate-broken-promises/
1•melling•10m ago•0 comments

Show HN: Jurnit – Turn your passion into playable missions

https://www.jurnit.app/
1•cyexxad•10m ago•0 comments

China's AI Industrial Policy

https://www.high-capacity.com/p/chinas-ai-industrial-policy
1•RetiredRichard•12m ago•0 comments

Automated Discovery of High-Performance GPU Kernels with OpenEvolve

https://huggingface.co/blog/codelion/openevolve-gpu-kernel-discovery
1•codelion•18m ago•0 comments

Ask HN: A weird vesting term in not-USA country

1•ayjay_t•22m ago•0 comments

Show HN: A Comprehensive List of Top AI Image Tools

https://aiex.me/top-ai-image-tools
1•zack119•33m ago•0 comments

A Loved One Was Diagnosed with Dementia. Now What?

https://www.nytimes.com/2025/06/25/well/family/dementia-diagnosis-advice.html
1•whack•45m ago•0 comments

A Children's Book in a Happiness Program for College Students

https://childrensbookforall.org/activities/knc-college
1•chbkall•51m ago•1 comments

Rádio Starthits

https://stream-176.zeno.fm/k0fka0zkmxhvv?zt=eyJhbGciOiJIUzI1NiJ9.eyJzdHJlYW0iOiJrMGZrYTB6a214aHZ2IiwiaG9zdCI6InN0cmVhbS0xNzYuemVuby5mbSIsInJ0dGwiOjUsImp0aSI6ImVwcTdHRThjU3JHZzRLbVVzWC1uS0EiLCJpYXQiOjE3NDc4OTQ3MDcsImV4cCI6MTc0Nzg5NDc2N30.PxDtwuCbiFKQok1xoXA8dJxlUos2LKSIBLAeyWIxyDs
1•Starthits•52m ago•0 comments

OmniGen2

https://github.com/VectorSpaceLab/OmniGen2
1•handfuloflight•52m ago•0 comments

Apple's Other 'F1 the Movie' In-App Promotions

https://www.macrumors.com/2025/06/27/f1-the-movie-now-playing-in-theaters/
1•Bogdanp•55m ago•1 comments

Turn your raw ideas into actionable specifications

https://news.ycombinator.com/ask
1•normadia•58m ago•1 comments

Flow Match Statements

https://github.com/facebook/flow/blob/main/tests/match_exhaustive/basic.js
2•cod1r•1h ago•0 comments

Engineer Unlocks Hidden Photo in Power Mac ROM After 27 Years

https://digitrendz.blog/newswire/technology/21664/engineer-unlocks-hidden-photo-in-power-mac-rom-after-27-years/
1•cyberwaj•1h ago•1 comments

Food structure plays key role in which gut hormones are released

https://www.imperial.ac.uk/news/265333/food-structure-plays-role-which-hormones/
1•gmays•1h ago•0 comments

Scientists achieve shortest hard X-ray pulses to date

https://phys.org/news/2025-06-scientists-shortest-hard-ray-pulses.html
1•PaulHoule•1h ago•0 comments

Ask HN: What's the hardest/most interesting thing you've used AI to code?

1•ozb•1h ago•0 comments

It's Known as 'The List'–and It's a Secret File of AI Geniuses

https://www.wsj.com/tech/meta-ai-recruiting-mark-zuckerberg-openai-018ed7fc
4•sonabinu•1h ago•2 comments

Facebook is starting to feed its AI with private, unpublished photos

https://www.theverge.com/meta/694685/meta-ai-camera-roll
13•pier25•1h ago•2 comments

10 Myths of Scalable Parallel Languages, Part 3: New vs. Extended

https://chapel-lang.org/blog/posts/10myths-part3/
3•matt_d•1h ago•0 comments

Visible

https://visible.vc/
1•handfuloflight•1h ago•0 comments

VMware perpetual license holder receives audit letter from Broadcom

https://arstechnica.com/information-technology/2025/06/vmware-perpetual-license-holder-receives-audit-letter-from-broadcom/
1•hilux•1h ago•1 comments

Cross-Compiling Common Lisp for Windows

https://www.fosskers.ca/en/blog/cl-windows
5•todsacerdoti•1h ago•0 comments

Jane Austen's Boldest Novel Is Also Her Least Understood

https://www.nytimes.com/2025/06/27/books/review/jane-austen-mansfield-park.html
3•lermontov•1h ago•1 comments

Guidelines for buildable and testable code examples

https://pigweed.dev/docs/contributing/docs/examples.html
3•kaycebasques•1h ago•0 comments