CVE-2026-46331 pedit COW Exploit Precursor Recon and Namespace Setup

Ibrahim Saud@tektrix

•updated Jun 27, 2026•2•0•7

Detects reconnaissance and exploitation setup activities associated with CVE-2026-46331 (pedit COW). The rule identifies processes enumerating kernel versions via system files or commands, checking unprivileged user namespace capabilities, and configuring network traffic control (tc) filters with pedit actions, which are critical precursors to leveraging the pedit page cache corruption vulnerability.