Common
Copy Fail
Computer security vulnerability (2026)
Copy Fail
CVE-2026-31431, commonly known as Copy Fail, is a vulnerability in the Linux kernel that allows unauthorized privilege escalation, disclosed by security firm Theori to the public on 29 April 2026 and to the Linux kernel security team five weeks prior. The exploit blends into normal system activity via standard system calls and may be raised through 10 lines of Python.
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