diff options
| -rw-r--r-- | net/bluetooth/smp.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/net/bluetooth/smp.c b/net/bluetooth/smp.c index e68c715f8d37..6c2b4e6e87ba 100644 --- a/net/bluetooth/smp.c +++ b/net/bluetooth/smp.c @@ -2579,6 +2579,19 @@ static int smp_cmd_ident_addr_info(struct l2cap_conn *conn, goto distribute; } + /* Drop IRK if peer is using identity address during pairing but is + * providing different address as identity information. + * + * Microsoft Surface Precision Mouse is known to have this bug. + */ + if (hci_is_identity_address(&hcon->dst, hcon->dst_type) && + (bacmp(&info->bdaddr, &hcon->dst) || + info->addr_type != hcon->dst_type)) { + bt_dev_err(hcon->hdev, + "ignoring IRK with invalid identity address"); + goto distribute; + } + bacpy(&smp->id_addr, &info->bdaddr); smp->id_addr_type = info->addr_type; |