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Start / LINUX Unplugged / 556 the xz backdoor exposed %f0%9f%9a%a8
We're breaking down the attack: how it works, how it was hidden, and why time was running out for the attacker.
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Links:
- 💥 Gets Sats Quick and Easy with Strike
- 📻 LINUX Unplugged on Fountain.FM
- oss-security mailing list — Backdoor in upstream xz/liblzma leading to ssh server compromise.
- Fedora Announcement
- Debian Announcement
- Ubuntu Announcement
- Kali Linux Announcement
- Arch Linux Announcement
- Gentoo Announcement
- openSUSE Tumbleweeed Announcement
- NixOS Unstable Discussion
- Why does it take two weeks for NixOS to replace xz?
- Andres Freund on Mastodon — I was doing some micro-benchmarking at the time, needed to quiesce the system to reduce noise. Saw sshd processes were using a surprising amount of CPU, despite immediately failing because of wrong usernames etc....
- rwmj on Hacker News — Very annoying - the apparent author of the backdoor was in communication with me over several weeks trying to get xz 5.6.x added to Fedora 40 & 41 because of its "great new features"
- A Microcosm of the interactions in Open Source projects — Make no mistake. This is the way it works. It needs to change.
- Devuan GNU/Linux on X — Devuan is not affected by the latest vulnerability caused by systemd.
- systemd PR: Dynamically load compression libraries
- Matteo Croce on X — I'm the author of such PR. While I absolutely didn't know that libxz had a backdoor, I really think that libraries should be loaded on-demand when rarely used, hence my change :)
- Ryan C. Gordon on X — This is probably how the xz thing happened, right?
- Jan Wildeboer on the Fediverse — Again the FOSS world has proven to be vigilant and proactive in finding bugs and backdoors, IMHO.
- Unplugged Core Membership
- TXLF is coming up! — April 12 - 13 in Austin, Texas.
- LFNW coming up! — April 26 - 28
- Mobile Game Ads Are Boosting Podcast Follower Counts — Wondery, iHeart and Lemonada Media are all using a non-public product from MowPod - which gives extra lives and game credits to gamers if they follow shows on Apple Podcasts from game apps.
- MowPod's podcast promotion tools: tales from the bar
- fortydeux's NixOS Configs
- Prism Launcher — An Open Source Minecraft launcher with the ability to manage multiple instances, accounts and mods.
- World Backup Day — March 31st — One small accident or failure could destroy all the important stuff you care about.
- Updating Our Fiddly Bits | LINUX Unplugged 494
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En liten tjänst av I'm With Friends. Finns även på engelska.
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