Copy Fail was identified by Theori’s researchers with assistance from their Xint Code AI tool. According to a blog post, ...

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

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

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

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 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 ...

A newly disclosed Linux kernel flaw called Copy Fail has raised concern across cybersecurity teams. Tracked as CVE-2026-31431 ...

Patch all Linux kernels issued from 2017 onwards to fix a serious vulnerability in the kernel’s cryptography API that can be ...

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

The high-severity vulnerability, tracked as CVE-2026-31431 (CVSS score: 7.8), has been codenamed “Copy Fail” by Xint.io and ...

The discoverers have named the root vulnerability "Copy Fail". All major distributions since 2017 are affected.

With a hunch, and an hour of AI-assisted scanning, cybersecurity researchers identified and then figured out how to exploit a ...