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 ...
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 ...
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 ...
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 ...
OSTechNix

Copy Fail: The 732-Byte Script That Roots Every Major Linux Systems

Copy Fail (CVE-2026-31431) is a severe logic flaw in the Linux kernel affecting every distribution since 2017. Patch your ...