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WSL2-Linux-Kernel
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WSL2-Linux-Kernel/net/bluetooth
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Hyunwoo Kim 2b16d960c7 Bluetooth: af_bluetooth: Fix Use-After-Free in bt_sock_recvmsg 
[ Upstream commit 2e07e8348ea454615e268222ae3fc240421be768 ]

This can cause a race with bt_sock_ioctl() because
bt_sock_recvmsg() gets the skb from sk->sk_receive_queue
and then frees it without holding lock_sock.
A use-after-free for a skb occurs with the following flow.
```
bt_sock_recvmsg() -> skb_recv_datagram() -> skb_free_datagram()
bt_sock_ioctl() -> skb_peek()
```
Add lock_sock to bt_sock_recvmsg() to fix this issue.

Cc: stable@vger.kernel.org
Fixes: 1da177e4c3 ("Linux-2.6.12-rc2")
Signed-off-by: Hyunwoo Kim <v4bel@theori.io>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
 		2024-01-05 15:13:39 +01:00
..
bnep Bluetooth: bnep: Use the correct print format 2021-06-26 07:12:40 +02:00
cmtp Bluetooth: cmtp: fix possible panic when cmtp_init_sockets() fails 2022-01-27 11:03:03 +01:00
hidp Bluetooth: Fix race condition in hidp_session_thread 2023-04-20 12:13:52 +02:00
rfcomm Bluetooth: Fix possible deadlock in rfcomm_sk_state_change 2023-02-01 08:27:11 +01:00
6lowpan.c Bluetooth: 6LoWPAN: add missing hci_dev_put() in get_l2cap_conn() 2022-12-14 11:37:24 +01:00
Kconfig Bluetooth: Add support for reading AOSP vendor capabilities 2021-04-06 14:11:23 -07:00
Makefile Bluetooth: Add support for reading AOSP vendor capabilities 2021-04-06 14:11:23 -07:00
a2mp.c Bluetooth: a2mp: Use the correct print format 2021-06-26 07:12:41 +02:00
a2mp.h Bluetooth: Replace zero-length array with flexible-array member 2020-02-28 08:30:02 +01:00
af_bluetooth.c Bluetooth: af_bluetooth: Fix Use-After-Free in bt_sock_recvmsg 2024-01-05 15:13:39 +01:00
amp.c Bluetooth: amp: Use the correct print format 2021-06-26 07:12:41 +02:00
amp.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 284 2019-06-05 17:36:37 +02:00
aosp.c Bluetooth: Add support for reading AOSP vendor capabilities 2021-04-06 14:11:23 -07:00
aosp.h Bluetooth: Add support for reading AOSP vendor capabilities 2021-04-06 14:11:23 -07:00
ecdh_helper.c crypto: ecdh - move curve_id of ECDH from the key to algorithm name 2021-03-13 00:04:03 +11:00
ecdh_helper.h Fix misc new gcc warnings 2021-04-27 17:05:53 -07:00
hci_conn.c Bluetooth: Fix double free in hci_conn_cleanup 2023-11-28 16:56:16 +00:00
hci_core.c Bluetooth: hci_core: Fix build warnings 2023-10-25 11:59:00 +02:00
hci_debugfs.c Bluetooth: use inclusive language when filtering devices 2021-06-26 07:12:44 +02:00
hci_debugfs.h
…
hci_event.c Bluetooth: hci_event: Fix not checking if HCI_OP_INQUIRY has been sent 2024-01-05 15:13:33 +01:00
hci_request.c Bluetooth: use hdev lock in activate_scan for hci_is_adv_monitoring 2022-06-09 10:22:58 +02:00
hci_request.h Bluetooth: Resume advertising after LE connection 2020-11-09 13:33:19 +01:00
hci_sock.c Bluetooth: hci_sock: Correctly bounds check and pad HCI_MON_NEW_INDEX name 2023-10-25 11:59:04 +02:00
hci_sysfs.c Bluetooth: Fix double free in hci_conn_cleanup 2023-11-28 16:56:16 +00:00
l2cap_core.c Bluetooth: L2CAP: Send reject on command corrupted request 2024-01-05 15:13:34 +01:00
l2cap_sock.c Bluetooth: L2CAP: Fix use-after-free in l2cap_sock_ready_cb 2023-08-11 15:13:58 +02:00
leds.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
leds.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
lib.c Bluetooth: Introduce debug feature when dynamic debug is disabled 2020-05-11 12:16:27 +02:00
mgmt.c Bluetooth: MGMT/SMP: Fix address type when using SMP over BREDR/LE 2024-01-05 15:13:34 +01:00
mgmt_config.c Bluetooth: mgmt: Use the correct print format 2021-06-26 07:12:42 +02:00
mgmt_config.h Bluetooth: mgmt: Add commands for runtime configuration 2020-06-18 13:11:03 +03:00
mgmt_util.c networking: make skb_push & __skb_push return void pointers 2017-06-16 11:48:40 -04:00
mgmt_util.h
…
msft.c Bluetooth: msft: Use the correct print format 2021-06-26 07:12:42 +02:00
msft.h Bluetooth: Allow Microsoft extension to indicate curve validation 2021-04-08 12:26:34 +02:00
sco.c Bluetooth: SCO: Fix sco_send_frame returning skb->len 2022-07-29 17:25:30 +02:00
selftest.c crypto: ecdh - move curve_id of ECDH from the key to algorithm name 2021-03-13 00:04:03 +11:00
selftest.h
…
smp.c Bluetooth: MGMT/SMP: Fix address type when using SMP over BREDR/LE 2024-01-05 15:13:34 +01:00
smp.h Bluetooth: use inclusive language in SMP 2021-06-26 07:12:37 +02:00