Zenbleed(lock.cmpxchg8b.com)

1160 points by loeg 3 years ago | 327 comments

Tavis Ormandy's writeup of Zenbleed, an AMD Zen 2 CPU vulnerability that leaks data from vector registers, covering exploitation, discovery, and mitigation.

Hiew Hex Editor(lock.cmpxchg8b.com)

171 points by taviso 2 years ago | 42 comments

Building a UMatrix Replacement(lock.cmpxchg8b.com)

45 points by taviso 5 months ago | 13 comments

Reptar(lock.cmpxchg8b.com)

557 points by abhi9u 2 years ago | 168 comments

Tavis Ormandy's write-up of Reptar, an Intel CPU bug where redundant instruction prefixes put processors into a glitch state, covering its discovery and fix.

NixOS for the Impatient(borretti.me)

139 points by yarapavan 3 years ago | 68 comments

A new futex API(lwn.net)

71 points by signa11 3 years ago | 36 comments

Anubis saved our websites from a DDoS attack(fabulous.systems)

317 points by DoctorOW 1 year ago | 237 comments

Blog post describing how the ScummVM project used the Anubis proof-of-work proxy to fend off a DDoS attack on its website, wiki, and forums.

Why is my CPU usage always 100%?(downtowndougbrown.com)

505 points by pncnmnp 1 year ago | 137 comments

Part 9 of a blog series on upgrading the Chumby 8's Linux kernel from 2.6.28 to 6.x, investigating why top always reports 100% CPU usage.

The early days of Linux (2023)(lwn.net)

422 points by stmw 1 year ago | 125 comments

LWN article by Lars Wirzenius recalling his memories of the earliest days of Linux, its creation by Linus Torvalds at the University of Helsinki, and its early growth.

Linux phones are more important now than ever(feddit.org)

627 points by wicket 1 year ago | 394 comments

A Lemmy forum post arguing Linux phone development must accelerate as Android becomes more closed, citing AOSP changes and bootloader lock removals.

Claude Code Found a Linux Vulnerability Hidden for 23 Years(mtlynch.io)

351 points by eichin 6 months ago | 226 comments

Blog post by Michael Lynch describing how Anthropic researcher Nicholas Carlini used Claude Code to find remotely exploitable Linux kernel bugs, including one hidden for 23 years.

Microsoft forced me to switch to Linux(himthe.dev)

1633 points by bobsterlobster 9 months ago | 1288 comments

A personal blog post explaining why the author switched from Microsoft Windows to Linux.