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linux-6.1.y
linux-stable/net/atm
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Hyunwoo Kim 2de2a6cbe1 atm: Fix Use-After-Free in do_vcc_ioctl 
[ Upstream commit 24e90b9e34 ]

Because do_vcc_ioctl() accesses sk->sk_receive_queue
without holding a sk->sk_receive_queue.lock, it can
cause a race with vcc_recvmsg().
A use-after-free for skb occurs with the following flow.
```
do_vcc_ioctl() -> skb_peek()
vcc_recvmsg() -> skb_recv_datagram() -> skb_free_datagram()
```
Add sk->sk_receive_queue.lock to do_vcc_ioctl() to fix this issue.

Fixes: 1da177e4c3 ("Linux-2.6.12-rc2")
Signed-off-by: Hyunwoo Kim <v4bel@theori.io>
Link: https://lore.kernel.org/r/20231209094210.GA403126@v4bel-B760M-AORUS-ELITE-AX
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2023-12-20 17:00:17 +01:00
..
addr.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
addr.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
atm_misc.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
atm_sysfs.c net: atm: use DEVICE_ATTR_RO macro 2021-05-20 15:50:54 -07:00
br2684.c net: atm: use address setting helpers 2021-10-24 13:59:45 +01:00
clip.c net: atm: Reduce the severity of logging in unlink_clip_vcc 2019-11-18 17:08:20 -08:00
common.c net: SO_RCVMARK socket option for SO_MARK with recvmsg() 2022-04-28 13:08:15 -07:00
common.h net: pass a sockptr_t into ->setsockopt 2020-07-24 15:41:54 -07:00
ioctl.c atm: Fix Use-After-Free in do_vcc_ioctl 2023-12-20 17:00:17 +01:00
Kconfig treewide: replace '---help---' in Kconfig files with 'help' 2020-06-14 01:57:21 +09:00
lec_arpc.h net: atm: lec_arpc.h: delete duplicated word 2020-07-19 18:14:21 -07:00
lec.c net: atm: use address setting helpers 2021-10-24 13:59:45 +01:00
lec.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
Makefile License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
mpc.c treewide: Add SPDX license identifier for more missed files 2019-05-21 10:50:45 +02:00
mpc.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
mpoa_caches.c mm, treewide: rename kzfree() to kfree_sensitive() 2020-08-07 11:33:22 -07:00
mpoa_caches.h atm: mpoa: remove 32-bit timekeeping 2017-11-30 09:26:32 -05:00
mpoa_proc.c net/atm: fix proc_mpc_write incorrect return value 2022-10-15 11:08:36 +01:00
pppoatm.c net: atm: pppoatm: use new API for wakeup tasklet 2021-01-29 18:24:05 -08:00
proc.c proc: remove PDE_DATA() completely 2022-01-22 08:33:37 +02:00
protocols.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
pvc.c net: pass a sockptr_t into ->setsockopt 2020-07-24 15:41:54 -07:00
raw.c atm: nicstar: Replace in_interrupt() usage 2020-11-18 16:43:55 -08:00
resources.c atm: hide unused procfs functions 2023-06-09 10:34:16 +02:00
resources.h atm: lift copyin from atm_dev_ioctl() 2020-05-20 20:31:35 -04:00
signaling.c net: atm: delete duplicated words 2020-09-18 14:12:43 -07:00
signaling.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
svc.c net: pass a sockptr_t into ->setsockopt 2020-07-24 15:41:54 -07:00