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

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

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

Dirty Frag, a new local privilege escalation vulnerability affecting major Linux distributions, may already be exploited in ...

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

A flaw in the Linux kernel present since 2017 allows a local user to gain root access on virtually every major Linux distribution. A public exploit is available and reported to work reliably.Key ...

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 ...

Dirty Frag exposes Linux systems to root escalation through chained kernel flaws, impacting Ubuntu, RHEL, Fedora, and others.