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。

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

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

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

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

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

Copy Fail, a logic bug in the Linux kernel, allows users to write 4-byte code into other files’ page cache and achieve root ...

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

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 ...

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