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Arch with XZ
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this post was submitted on 30 Mar 2024
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I thought Arch was the only rolling distro that doesn't have the backdoor. Its sshd is not linked with liblzma, and even if it were, they compile xz directly from git so they wouldn't have gotten the backdoor anyway.
TBF they only switched to building from git after they were notified of the backdoor yesterday. Prior to that, the source tarball was used.
liblzma is the problem. sshd is just the first thing they found that it is attacking. liblzma is used by firefox and many other critical packages.
Interestingly, looking at Gentoo's package, they have both the github and tukaani.org URLs listed:
https://github.com/gentoo/gentoo/blob/master/app-arch/xz-utils/xz-utils-5.6.1.ebuild#L28
From what I understand, those wouldn't be the same tarball, and might have thrown an error.
The extent of the exploit is still being analyzed so I would update and keep your eye on the news. If you don't need your computer you could always power down.