CVE-2026-99239 | Linux Kernel up to 7.3.0 L2CAP __l2cap_chan_add toctou

A vulnerability marked as very critical has been reported in Linux Kernel up to 7.3.0. Affected is the function __l2cap_chan_add of the component L2CAP. The manipulation leads to time-of-check time-of-use.

This vulnerability is listed as CVE-2026-99239. The attack must be carried out locally. There is no available exploit.

It is suggested to upgrade the affected component.VulDB Recent EntriesRead More