Hello: This patch was applied to bluetooth/bluetooth-next.git (master) by Luiz Augusto von Dentz <luiz.von.dentz@xxxxxxxxx>: On Mon, 17 Oct 2022 15:58:13 +0800 you wrote: > When l2cap_recv_frame() is invoked to receive data, and the cid is > L2CAP_CID_A2MP, if the channel does not exist, it will create a channel. > However, after a channel is created, the hold operation of the channel > is not performed. In this case, the value of channel reference counting > is 1. As a result, after hci_error_reset() is triggered, l2cap_conn_del() > invokes the close hook function of A2MP to release the channel. Then > l2cap_chan_unlock(chan) will trigger UAF issue. > > [...] Here is the summary with links: - Bluetooth: L2CAP: fix use-after-free in l2cap_conn_del() https://git.kernel.org/bluetooth/bluetooth-next/c/42cf46dea905 You are awesome, thank you! -- Deet-doot-dot, I am a bot. https://korg.docs.kernel.org/patchwork/pwbot.html