diff options
| author | Mark Salyzyn | 2018-08-01 00:02:13 +0200 |
|---|---|---|
| committer | Marcel Holtmann | 2018-08-01 09:12:35 +0200 |
| commit | 7992c18810e568b95c869b227137a2215702a805 (patch) | |
| tree | 33bfb84fe8b5236a5793fdd114f04eaed65fc8c9 /drivers/bluetooth/btusb.c | |
| parent | Bluetooth: hidp: Fix handling of strncpy for hid->name information (diff) | |
| download | kernel-qcow2-linux-7992c18810e568b95c869b227137a2215702a805.tar.gz kernel-qcow2-linux-7992c18810e568b95c869b227137a2215702a805.tar.xz kernel-qcow2-linux-7992c18810e568b95c869b227137a2215702a805.zip | |
Bluetooth: hidp: buffer overflow in hidp_process_report
CVE-2018-9363
The buffer length is unsigned at all layers, but gets cast to int and
checked in hidp_process_report and can lead to a buffer overflow.
Switch len parameter to unsigned int to resolve issue.
This affects 3.18 and newer kernels.
Signed-off-by: Mark Salyzyn <salyzyn@android.com>
Fixes: a4b1b5877b514b276f0f31efe02388a9c2836728 ("HID: Bluetooth: hidp: make sure input buffers are big enough")
Cc: Marcel Holtmann <marcel@holtmann.org>
Cc: Johan Hedberg <johan.hedberg@gmail.com>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Kees Cook <keescook@chromium.org>
Cc: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Cc: linux-bluetooth@vger.kernel.org
Cc: netdev@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
Cc: security@kernel.org
Cc: kernel-team@android.com
Acked-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Diffstat (limited to 'drivers/bluetooth/btusb.c')
0 files changed, 0 insertions, 0 deletions