Linux Kernel Vulnerability Affecting Netfilter Software

CVE-2026-64150

What is CVE-2026-64150?

A vulnerability has been detected in the Linux kernel's netfilter component, where the improper handling of local locks can lead to the premature re-enabling of softirqs. Specifically, in the error path, local_bh_enable() is incorrectly invoked before the local_unlock_nested_bh() function, increasing the risk of inconsistent state and potential system issues. This situation raises concerns regarding the stability and security of affected systems.

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