A vulnerability identified as critical has been detected in Linux Kernel up to 6.12.79/6.18.20/6.19.10 . Affected by this vulnerability is the function l2cap_build_cmd of the component Bluetooth . Performing a manipulation results in out-of-bounds read. This vulnerability is identified as CVE-2026-31513 . The attack can only be performed from the local network. There is not any exploit available. You should upgrade the affected component.