SecurityWeek

Exploitation of ‘Copy Fail’ Linux Vulnerability Begins

Threat actors have started to exploit Copy Fail (CVE-2026-31431), a Linux kernel vulnerability leading to root shell access.

The most severe Linux threat to surface in years catches the world flat-footed

Publicly released exploit code for an effectively unpatched vulnerability that gives root access to virtually all releases of ...
Cybernews

One tiny exploit gives full Linux access: all kernels since 2017 are vulnerable

The critical "Copy Fail" bug (CVE-2026-31431) affects all Linux kernels since 2017, allowing unprivileged local users to gain ...
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.

"Copy Fail" is a rare Linux bug that can turn an unprivileged user into a root admin in seconds

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

New Linux kernel NetFilter flaw gives attackers root privileges

A new Linux NetFilter kernel flaw has been discovered, allowing unprivileged local users to escalate their privileges to root level, allowing complete control over a system. The CVE-2023-32233 ...