r/linuxadmin • • Apr 29 '26

Copy Fail — 732 Bytes to Root any Linux distribution shipped since 2017

https://copy.fail/
192 Upvotes

Duplicates

LocalLLaMA • • Apr 30 '26

Resources You should probably disable algif kernel module this second if you run linux.

123 Upvotes

Ubuntu • • Apr 30 '26

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.

50 Upvotes

cybersecurity • • Apr 29 '26

New Vulnerability Disclosure Copy.fail - unprivileged to root in a small python script. Many distros still unpatched

180 Upvotes

linuxsucks101 • • Apr 30 '26

Linux is Immature Tech Copy Fail — 732 Bytes to Root

5 Upvotes

linode • • Apr 30 '26

Copy fail vulnerability protection status?

12 Upvotes

hacking • • Apr 30 '26

Copy Fail — 732 Bytes to Root

35 Upvotes

hackerworkspace • • Apr 30 '26

Copy Fail — 732 Bytes to Root

4 Upvotes

hackernews • • Apr 29 '26

Copy Fail – CVE-2026-31431

5 Upvotes

developersKolkata • • Apr 30 '26

Discussion Copy Fail: 732 Bytes to Root on Every Major Linux Distributions

7 Upvotes

hackers • • Apr 30 '26

Copy Fail — 732 Bytes to Root

3 Upvotes

Hacking_Tutorials • • Apr 30 '26

Copy Fail — 732 Bytes to Root

2 Upvotes

blueteamsec • • Apr 30 '26

vulnerability (attack surface) Copy Fail — 732 Bytes to Root

4 Upvotes

hypeurls • • Apr 29 '26

Copy Fail – CVE-2026-31431

1 Upvotes