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| author | Lin Ma <linma@zju.edu.cn> | 2021-05-30 16:37:43 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2021-06-10 14:37:09 +0300 |
| commit | b6f97555c71f78288682bc967121572f10715c89 (patch) | |
| tree | 8200689e7512b780bdceb3254c78babc5b77f7e3 /include | |
| parent | 8d3d0ac73a4a1d31e3d4f7c068312aba78470166 (diff) | |
| download | linux-b6f97555c71f78288682bc967121572f10715c89.tar.xz | |
Bluetooth: use correct lock to prevent UAF of hdev object
commit e305509e678b3a4af2b3cfd410f409f7cdaabb52 upstream.
The hci_sock_dev_event() function will cleanup the hdev object for
sockets even if this object may still be in used within the
hci_sock_bound_ioctl() function, result in UAF vulnerability.
This patch replace the BH context lock to serialize these affairs
and prevent the race condition.
Signed-off-by: Lin Ma <linma@zju.edu.cn>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'include')
0 files changed, 0 insertions, 0 deletions