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Every blog post that took off on Hacker News, ranked by the votes of its best submission. 6,943 posts.

Systems & Performance
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1111

Escaping VirtualBox 6.1: Part 1

This post is about a VirtualBox escape for the latest currently available version (VirtualBox 6.1.16 on Windows). The vulnerabilities were discovered and exploited by our team Sauercl0ud as part of the RealWorld CTF 2020/2021. The vulnerability was known to the organizers, requires the guest to be able to insert…

1138

Beware of Fast-Math

One of my more frequent rants, both online and in person, is the danger posed by the "fast-math" compiler flag. While these rants may elicit resigned acknowledgment from those who already understand the dangers involved, they do little to help those who don't. So given the remarkable paucity of writing on the topic…