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Linux is a family of open source Unix-like operating systems based on the Linux kernel, an operating system kernel first released on September 17, 1991 by Linus Torvalds. Linux is typically packaged in a Linux distribution (or distro for short).

Distributions include the Linux kernel and supporting system software and libraries, many of which are provided by the GNU Project. Many Linux distributions use the word "Linux" in their name, but the Free Software Foundation uses the name GNU/Linux to emphasize the importance of GNU software, causing some controversy.

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backdoor in upstream xz/liblzma leading to ssh server compromise (www.openwall.com)

submitted 7 months ago by Atemu@lemmy.ml to c/linux@lemmy.ml

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[–] SavvyBeardedFish@reddthat.com 17 points 7 months ago (2 children)

Archlinux's XZ was compromised as well.

News post

Git change for not using tarballs from source

[–] flying_sheep@lemmy.ml 13 points 7 months ago

No, read the link you posted:

Arch does not directly link openssh to liblzma, and thus this attack vector is not possible. You can confirm this by issuing the following command:
ldd "$(command -v sshd)"
However, out of an abundance of caution, we advise users to remove the malicious code from their system by upgrading either way.

[–] progandy@feddit.de 3 points 7 months ago* (last edited 7 months ago)

I think that was a precaution. The malicious build script ran during the build, but the backdoor itself was most likely not included in the resuling package as it checked for specific packaging systems.

https://www.openwall.com/lists/oss-security/2024/03/29/22