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#2 The Hacker News general June 26, 2026 at 13:00 UTC

New Linux pedit COW Exploit Enables Root Access by Poisoning Cached Binaries

By [email protected] (The Hacker News)

AI Summary

CVE-2026-46331, dubbed 'pedit COW,' is an out-of-bounds write vulnerability in the Linux kernel's traffic-control act_pedit subsystem that allows local unprivileged users to gain root by corrupting shared page-cache memory. A public working exploit appeared within one day of the CVE being assigned on June 16, 2026; Red Hat has rated the flaw as high severity, making rapid patching critical for Linux-based environments.

Relevance score: 87.0/100

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