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medium5.5

CVE-2026-31670

In the Linux kernel, the following vulnerability has been resolved: net: rfkill: prevent unlimited numbers of rfkill events from being created Userspace can cr…

Impact

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.

Affected products

VendorProductAffected versions
LinuxLinux Kernel
from 2.6.31.1 before 5.10.253
from 5.11 before 5.15.203
from 5.16 before 6.1.169
from 6.2 before 6.6.135
from 6.7 before 6.12.82
from 6.13 before 6.18.23

References