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The same 732-byte Python script roots every Linux distribution shipped since 2017 (copy.fail)

submitted 3 months ago* (last edited 3 months ago) by not_IO@lemmy.blahaj.zone to c/linux@programming.dev

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woaw

also a good blog post about it https://xint.io/blog/copy-fail-linux-distributions

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[–] stuner@lemmy.world 8 points 3 months ago (2 children)

It seems that most LTS distros didn't get a heads up and there are no patches available. Uh oh.

[–] superglue@lemmy.dbzer0.com 2 points 3 months ago (2 children)

What I read said the patch was merged into main on April 1st, so they should have.

[–] lengau@midwest.social 3 points 3 months ago

This thread gives a good rundown of what happened: https://infosec.exchange/@wdormann/116489443704631952

[–] stuner@lemmy.world 2 points 3 months ago (1 children)

It looks like the fixes were merged in 6.18, 6.19, and 7.0. But all older (but supported) LTS kernels didn't have the fix, like 6.12, which is used in Debian 13. And it also seems that Ubuntu, RHEL, and SUSE had not picked up the patches in their kernel versions.

[–] Successful_Try543@feddit.org 1 points 3 months ago* (last edited 3 months ago)

The kernel 6.12.73-1 used by Debian Trixie is still vulnerable. Applying security updates should update the kernel to 6.12.85-1 and fix the issue.

https://security-tracker.debian.org/tracker/CVE-2026-31431

[–] woelkchen@lemmy.world 2 points 3 months ago (1 children)

Automated test suites became so good, many regular people can just use rolling release distros these days.

[–] stuner@lemmy.world 3 points 3 months ago (1 children)

That may be true for personal computers, but the impact of this vulnerability is mainly on servers. And those typically run distros like Debian, Ubuntu, RHEL that didn't have a patch at that time.

[–] woelkchen@lemmy.world 4 points 3 months ago (1 children)

the impact of this vulnerability is mainly on servers

The impact is any Linux install without root access for its users.

[–] dgdft@lemmy.world 1 points 3 months ago

Sure, but it’s much easier to get some form of RCE on public hosts in order to make practical use of the LPE.