Linux kernel: rfkill event overflow OOM vulnerability
CVE-2026-31670 Published on April 24, 2026

net: rfkill: prevent unlimited numbers of rfkill events from being created
In the Linux kernel, the following vulnerability has been resolved: net: rfkill: prevent unlimited numbers of rfkill events from being created Userspace can create an unlimited number of rfkill events if the system is so configured, while not consuming them from the rfkill file descriptor, causing a potential out of memory situation. Prevent this from bounding the number of pending rfkill events at a "large" number (i.e. 1000) to prevent abuses like this.

NVD


Products Associated with CVE-2026-31670

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Affected Versions

Linux: Linux: