CVE-2023-54038

The CVE-2023-54038 issue affects the Linux kernel Bluetooth HCI path. The root cause is that hci_connect_sco() (and similarly hci_connect_cis()) returned NULL on error, causing sco_conn_add() to dereference hcon->hdev and crash. The fix switches to returning an ERR_PTR on error for both hci_co...

UBUNTU-CVE-2023-53673

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hcievent: call disconnect callback before deleting conn In hcicsdisconnect, we do hciconndel even if disconnection failed. ISO, L2CAP and SCO connections refer to the hciconn without hciconnget, so disconncfm must be...

CVE-2023-53673

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hcievent: call disconnect callback before deleting conn In hcicsdisconnect, we do hciconndel even if disconnection failed. ISO, L2CAP and SCO connections refer to the hciconn without hciconnget, so disconncfm must be...