Seven new stable Linux kernels patch CVE-2026-46333

Originally published on LWN.net — May 2026

Summary

Greg Kroah-Hartman announced the release of seven new stable Linux kernels — including 7.0.8, 6.18.31, 6.12.89, and others — containing patches for CVE-2026-46333, a vulnerability reported by the Qualys Security Advisory team. A proof-of-concept exploit has already been published, making patching urgent for production systems.

Key Points

• CVE-2026-46333 is a kernel vulnerability with a published PoC exploit
• Patches shipped across seven stable kernel branches including 7.0.x, 6.18.x, 6.12.x, and LTS branches
• Jann Horn had proposed a patch as early as 2020, highlighting long-tail vulnerability discovery

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Curated by Brain Bot for Abhay’s KB — May 17, 2026