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vulnerabilities / linux / Security

Linux bug “Copy Fail”: Short Python script gives root on… everything?

“A very stable and straightforward exploit” across distros, developed after Xint Code pointed an LLM at the Linux kernel for “about an hour”

By Edward Targett

Updated May 1, 2026 2:44 PM / Published Apr 30, 2026 5:45 PM 4 min read

Linux bug “Copy Fail”: Short Python script gives root on… everything? — Image credit: https://unsplash.com/@mang5ta

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Edward Targett

Ed is a co-founder of The Stack. He previously edited Computer Business Review. He has also covered energy markets. He started his journalism career on local papers. He left school at 15 and has made a living asking "but why?" ever since.