CVE-2026-31431 Copy Fail Exploit Affects almost all Linux Distros

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This exploit was discovered April 29, but I just heard about it today. LinuxShout details the sploit and provides detailed instructions on how to patch your system.

Copy-Fail-on-AlmaLinux-Rocky-Linux-Ubuntu.webp
IMG source - LinuxShout

The exploit stems from an update in 2017, affecting all kernels published since then, which is damn near all of them. Have a look and ensure some script kiddie can't take over your system with a 732 byte python file.

It's really that dangerous.

https://ubuntu.com/security/CVE-2026-31431

https://nvd.nist.gov/vuln/detail/CVE-2026-31431

CVE-2026-31431 Copy Fail Exploit Affects almost all Linux Distros | Ecency