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

Malicious actors with code execution capability may gain root access on Linux systems using as few as 10 lines of Python, according to a researcher.

CVE-2026-31431 exploited in Linux since 2017, enabling root access via simple PoC, increasing container and cloud risks.

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

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

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

CISA Flags Linux Copy Fail Flaw On Watch List, Crypto Infra At Risk. A new Linux vulnerability dubbed“Copy Fail” could impact ...

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

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

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

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