Luiz Augusto von Dentz 74a466a157 Bluetooth: SCO: Fix UAF on sco_sock_timeout ...

commit 1bf4470a39 upstream.

conn->sk maybe have been unlinked/freed while waiting for sco_conn_lock
so this checks if the conn->sk is still valid by checking if it part of
sco_sk_list.

Reported-by: syzbot+4c0d0c4cde787116d465@syzkaller.appspotmail.com
Tested-by: syzbot+4c0d0c4cde787116d465@syzkaller.appspotmail.com
Closes: https://syzkaller.appspot.com/bug?extid=4c0d0c4cde787116d465
Fixes: ba316be1b6 ("Bluetooth: schedule SCO timeouts with delayed_work")
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
Signed-off-by: Xiangyu Chen <xiangyu.chen@windriver.com>
Signed-off-by: He Zhe <zhe.he@windriver.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

2025-05-02 07:44:25 +02:00

..

bluetooth.h

Bluetooth: SCO: Fix UAF on sco_sock_timeout

2025-05-02 07:44:25 +02:00

hci_core.h

Revert "Bluetooth: MGMT/SMP: Fix address type when using SMP over BREDR/LE"

2024-09-12 11:07:43 +02:00

hci_mon.h

…

hci_sock.h

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hci.h

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l2cap.h

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mgmt.h

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rfcomm.h

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sco.h

…