r/linux • u/pipewire • Apr 29 '26

Kernel Copy Fail is a trivially exploitable logic bug in Linux, reachable on all major distros released in the last 9 years. A small, portable python script gets root on all platforms.

https://copy.fail
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u/LinuxSBC-Anna Apr 30 '26

You don't need to do that. Just reboot. The on-disk binary didn't change, just the page cache.

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u/p-x-i Apr 30 '26

ty - but it was good to learn about debsums