COPY FAIL Detection with Wazuh 4.14.4 – CVE-2026-31431

COPY FAIL Detection with Wazuh 4.14.4 – CVE-2026-31431

May 1st 2026 / Ambassadors
By Kislley Rodrigues / GitHub

CVE-2026-31431 is a critical Linux kernel vulnerability that allows any unprivileged local user to gain root access through a controlled page-cache write, without modifying the file on disk or triggering traditional file integrity monitoring.

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