"Copy Fail" is a rare Linux bug that can turn an unprivileged user into a root admin in seconds

Tracked as CVE-2026-31431, Copy Fail could represent a significant security risk in the making. The vulnerability was discovered by researchers at Theori, who investigated the Linux kernel’s authencesn cryptographic template using an AI-assisted scanning process. The team also developed a 732-byte Python script capable of escalating privileges and granting an…

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