CVE-2022-49139 Information

Description

In the Linux kernel the following vulnerability has been resolved:

Bluetooth: fix null ptr deref on hci_sync_conn_complete_evt

This event is just specified for SCO and eSCO link types. On the reception of a HCI_Synchronous_Connection_Complete for a BDADDR of an existing LE connection LE link type and a status that triggers the second case of the packet processing a NULL pointer dereference happens as conn->link is NULL.

Reference

https://git.kernel.org/stable/c/0f9db1209f59844839175b5b907d3778cafde93d https://git.kernel.org/stable/c/1c1291a84e94f6501644634c97544bb8291e9a1a https://git.kernel.org/stable/c/3afee2118132e93e5f6fa636dfde86201a860ab3 https://git.kernel.org/stable/c/c1aa0dd52db4ce888be0bd820c3fa918d350ca0b https://git.kernel.org/stable/c/f61c23e73dc653b957781066abfa8105c3fa3f5b