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

IT之家 4 月 30 日消息，科技媒体 cyberkendra 昨日（4 月 29 日）发布博文，报道称 Linux 内核爆出高危漏洞 Copy Fail，追踪编号为 CVE-2026-31431， 仅需一个 732 字节的 Python 脚本，就能攻破几乎所有主流 Linux 发行版本，提权至最高的 root 权限。

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

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

A high-severity Linux vulnerability, “Copy Fail” (CVE-2026-31431), enables root privilege escalation across cloud ...

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

Developers of major Linux distributions have begun shipping patches to address a local privilege escalation (LPE) ...

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

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

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