A newly disclosed Linux kernel vulnerability in the Filesystem in Userspace (FUSE) subsystem could allow unprivileged local attackers to gain root privileges on affected systems. Tracked as CVE-2026-31694, the flaw stems from a page-cache overflow in FUSE directory-entry caching logic. Documented by Bynario, who discovered and validated the issue using an LLM-driven vulnerability research pipeline. […]
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