The discoverers have named the root vulnerability "Copy Fail". All major distributions since 2017 are affected.

Copy Fail, a logic bug in the Linux kernel, allows users to write 4-byte code into other files’ page cache and achieve root ...

A high-severity Linux vulnerability, “Copy Fail” (CVE-2026-31431), enables root privilege escalation across cloud ...

CVE-2026-31431 CVSS 7.8 flaw since 2017 enables root via 732-byte exploit, impacting major Linux distributions.

Copy Fail could represent a significant security risk in the making. The vulnerability was discovered by researchers at ...

An exploit has been published for a local privilege escalation vulnerability dubbed "Copy Fail" that impacts Linux kernels ...

A newly disclosed Linux kernel flaw called Copy Fail has raised concern across cybersecurity teams. Tracked as CVE-2026-31431 ...

Copy Fail was identified by Theori’s researchers with assistance from their Xint Code AI tool. According to a blog post, ...

A logic flaw sitting undetected in the Linux kernel for nearly nine years lets any unprivileged local user gain root access ...

Developers of major Linux distributions have begun shipping patches to address a local privilege escalation (LPE) ...

The flaw allows an unprivileged local user to write four controlled bytes into the page cache of any readable file on a Linux ...