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

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

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

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

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 ...

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

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