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Cake day: July 1st, 2023

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  • My point is, since its meaning depends on the context, I don’t see the issue for it to mean, in the context of containers, “outside of a container”. Just like in the case of VMs, or OS vs No OS, it means there’s one fewer layer between the app and the hardware, whether that’s a VM, Container runtime, or the OS.

    I’m pretty sure everybody, including you, understood its meaning in this context, it didn’t really cause any misunderstanding.






  • TL;DR: Simply downgrade to a version before 5.6.0, or follow the official recommendations for your distro. For Arch, for example, simply upgrade your system.

    Explanation (from my understanding ): a malicious developer snuck a backdoor into xz, starting with version 5.6.0,and thankfully it was caught before it could do much damage. This seems to only affect Fedora and Debian based distros, or otherwise distros where ssh is patched to link to systemd, which in turn links to xz. Arch doesn’t seem to be affected, but they took some preventative action. Again, follow the announcements from your distro, or just downgrade xz.

    It is not yet clear what a malicious actor can do with that backdoor, but it seems, in affected systems, it enables remote code execution (if you don’t know what that means, just know it’s really bad), but last I checked security researchers were still analyzing the code. Things move fast, so maybe by now it is known.