linux

iv/linux

History

Luiz Augusto von Dentz 51eda36d33 Bluetooth: SCO: Fix not validating setsockopt user input

syzbot reported sco_sock_setsockopt() is copying data without
checking user input length.

BUG: KASAN: slab-out-of-bounds in copy_from_sockptr_offset
include/linux/sockptr.h:49 [inline]
BUG: KASAN: slab-out-of-bounds in copy_from_sockptr
include/linux/sockptr.h:55 [inline]
BUG: KASAN: slab-out-of-bounds in sco_sock_setsockopt+0xc0b/0xf90
net/bluetooth/sco.c:893
Read of size 4 at addr ffff88805f7b15a3 by task syz-executor.5/12578

Fixes: ad10b1a48754 ("Bluetooth: Add Bluetooth socket voice option")
Fixes: b96e9c671b05 ("Bluetooth: Add BT_DEFER_SETUP option to sco socket")
Fixes: 00398e1d5183 ("Bluetooth: Add support for BT_PKT_STATUS CMSG data for SCO connections")
Fixes: f6873401a608 ("Bluetooth: Allow setting of codec for HFP offload use case")
Reported-by: syzbot <syzkaller@googlegroups.com>
Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>

2024-04-10 15:03:46 -04:00

bluetooth.h

Bluetooth: SCO: Fix not validating setsockopt user input

2024-04-10 15:03:46 -04:00

coredump.h

Bluetooth: Add support for hci devcoredump

2023-04-23 21:57:59 -07:00

hci_core.h

Bluetooth: hci_sync: Fix overwriting request callback

2024-03-06 17:26:20 -05:00

hci_mon.h

Bluetooth: hci_sock: Correctly bounds check and pad HCI_MON_NEW_INDEX name