The Hacker News

New Linux 'Copy Fail' Vulnerability Enables Root Access on Major Distributions

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

Linux 'copy fail' flaw lets anyone hijack system privileges. Update ASAP

Security researchers are warning of a new “logic flaw” in Linux called Copy Fail (CVE-2026-31431), a critical vulnerability ...

CISA Warning: High-Severity Linux Flaw Puts Unpatched Systems at Risk

CISA warns that the nine-year-old Linux Copy Fail flaw is being actively exploited, allowing local attackers to gain root ...

New Linux ‘Copy Fail’ flaw gives hackers root on major distros

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

This critical Linux vulnerability is putting millions of systems at risk - how to protect yours

CVE-2026-31431, also known as Copy Fail, is a critical Linux kernel vulnerability that's been hiding out since 2017 and is ...
SecurityWeek

‘Copy Fail’ Logic Flaw in Linux Kernel Enables System Takeover

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

Copying and renaming files on Linux

There's more to copying and renaming files on Linux than cp and mv. Try some commands and strategies that might surprise you and save you some time. Linux users have for many decades been using simple ...