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 ...
Infosecurity Magazine

Nine-Year-Old Zero-Day Flaw in Linux Kernel Discovered by AI-Equipped Security Researcher

A researcher from offensive security firm Theori has found a nine-year-old flaw in the Linux kernel with the help of AI ...
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 ...
The Hacker News

CISA Adds Actively Exploited Linux Root Access Bug CVE-2026-31431 to KEV

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

‘Trivial’ exploit can give attackers root access to Linux kernel

Experts say until the distros release patches, CSOs have to beware of unauthorized privilege escalation; Kubernetes container ...
Hackaday

Linux Kernel From First Principles

Want to learn the internals of the Linux kernel? Version 6.5-rc5 has about 36 million lines of code in it, so good luck! [Seiya] has a different approach. Go back to the beginning and examine the 0.01 ...