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linux/net/bluetooth
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Hyunwoo Kim 2e07e8348e Bluetooth: af_bluetooth: Fix Use-After-Free in bt_sock_recvmsg 
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>
2023-12-15 11:54:18 -05:00
..
bnep Bluetooth: Consolidate code around sk_alloc into a helper function 2023-08-11 11:36:50 -07:00
cmtp Merge branch 'signal-for-v5.17' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace 2022-01-17 05:49:30 +02:00
hidp Bluetooth: Init sk_peer_* on bt_sock_alloc 2023-08-11 11:37:22 -07:00
rfcomm TTY/Serial driver changes for 6.6-rc1 2023-09-01 09:38:00 -07:00
6lowpan.c iov_iter work; most of that is about getting rid of 2022-12-12 18:29:54 -08:00
a2mp.c use less confusing names for iov_iter direction initializers 2022-11-25 13:01:55 -05:00
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 2023-12-15 11:54:18 -05:00
amp.c Bluetooth: Make handle of hci_conn be unique 2023-10-23 11:03:20 -07:00
amp.h Bluetooth: Remove unused declaration amp_read_loc_info() 2023-08-11 11:52:13 -07:00
aosp.c Bluetooth: Fix null pointer deref on unexpected status event 2022-08-08 17:04:37 -07:00
aosp.h Bluetooth: aosp: Support AOSP Bluetooth Quality Report 2021-11-02 19:37:52 +01:00
coredump.c Bluetooth: Remove unnecessary NULL check before vfree() 2023-08-11 11:56:54 -07:00
ecdh_helper.c Bluetooth: Use crypto_wait_req 2023-02-13 18:34:48 +08:00
ecdh_helper.h Fix misc new gcc warnings 2021-04-27 17:05:53 -07:00
eir.c Bluetooth: hci_core: Fix missing instances using HCI_MAX_AD_LENGTH 2023-08-24 12:22:05 -07:00
eir.h Bluetooth: Add initial implementation of BIS connections 2022-07-22 17:13:56 -07:00
hci_codec.c Bluetooth: Fix support for Read Local Supported Codecs V2 2022-12-02 13:09:31 -08:00
hci_codec.h Bluetooth: Add support for Read Local Supported Codecs V2 2021-09-07 14:09:18 -07:00
hci_conn.c Bluetooth: Fix double free in hci_conn_cleanup 2023-10-23 11:05:11 -07:00
hci_core.c Bluetooth: Make handle of hci_conn be unique 2023-10-23 11:03:20 -07:00
hci_debugfs.c Bluetooth: hci_debugfs: Use kstrtobool() instead of strtobool() 2023-08-11 11:47:44 -07:00
hci_debugfs.h Bluetooth: hci_core: Move all debugfs handling to hci_debugfs.c 2021-09-22 16:17:13 +02:00
hci_event.c Bluetooth: Add more enc key size check 2023-12-15 11:53:47 -05:00
hci_request.c Bluetooth: hci_core: Make hci_is_le_conn_scanning public 2023-08-11 11:54:59 -07:00
hci_request.h Bluetooth: Delete unused hci_req_prepare_suspend() declaration 2023-09-20 10:55:29 -07:00
hci_sock.c Bluetooth: hci_sock: Correctly bounds check and pad HCI_MON_NEW_INDEX name 2023-10-13 20:06:33 -07:00
hci_sync.c Bluetooth: hci_sync: Fix Opcode prints in bt_dev_dbg/err 2023-10-23 11:05:32 -07:00
hci_sysfs.c Bluetooth: Fix double free in hci_conn_cleanup 2023-10-23 11:05:11 -07:00
iso.c Bluetooth: ISO: Copy BASE if service data matches EIR_BAA_SERVICE_UUID 2023-10-23 11:03:50 -07:00
Kconfig Bluetooth: Add CONFIG_BT_LE_L2CAP_ECRED 2022-12-12 14:19:24 -08:00
l2cap_core.c Bluetooth: L2CAP: Send reject on command corrupted request 2023-12-15 11:52:38 -05:00
l2cap_sock.c net: implement lockless SO_PRIORITY 2023-10-01 19:09:54 +01:00
leds.c
leds.h
lib.c Bluetooth: Fix EALREADY and ELOOP cases in bt_status() 2022-12-12 14:19:24 -08:00
Makefile Bluetooth: Add support for hci devcoredump 2023-04-23 21:57:59 -07:00
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 Bluetooth: Implement support for Mesh 2022-09-06 13:18:24 -07:00
mgmt_util.h Bluetooth: Fix a buffer overflow in mgmt_mesh_add() 2023-01-17 15:50:10 -08:00
mgmt.c Bluetooth: MGMT/SMP: Fix address type when using SMP over BREDR/LE 2023-12-15 11:53:09 -05:00
msft.c Bluetooth: msft: __hci_cmd_sync() doesn't return NULL 2023-10-23 11:02:12 -07:00
msft.h Bluetooth: hci_sync: Refactor remove Adv Monitor 2022-07-21 17:14:55 -07:00
sco.c net: annotate data-races around sk->sk_lingertime 2023-08-21 07:41:57 +01:00
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 2023-12-15 11:53:09 -05:00
smp.h Bluetooth: use inclusive language in SMP 2021-06-26 07:12:37 +02:00