diff options
author | Kees Cook <keescook@chromium.org> | 2013-09-11 21:56:53 +0200 |
---|---|---|
committer | John Stultz <john.stultz@linaro.org> | 2016-02-16 13:50:59 -0800 |
commit | 90037b2720acffa6da2269a10ecf24ec2dace89b (patch) | |
tree | 14602060f7e7df341d78841b50e859cb0cb14533 /drivers/hid | |
parent | 068da28761a7d684d9bd68b6b06f2a69266526bf (diff) |
HID: steelseries: validate output report details
A HID device could send a malicious output report that would cause the
steelseries HID driver to write beyond the output report allocation
during initialization, causing a heap overflow:
[ 167.981534] usb 1-1: New USB device found, idVendor=1038, idProduct=1410
...
[ 182.050547] BUG kmalloc-256 (Tainted: G W ): Redzone overwritten
CVE-2013-2891
Signed-off-by: Kees Cook <keescook@chromium.org>
Cc: stable@vger.kernel.org
Reviewed-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Diffstat (limited to 'drivers/hid')
-rw-r--r-- | drivers/hid/hid-steelseries.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/hid/hid-steelseries.c b/drivers/hid/hid-steelseries.c index 3edd4ac36494..93ddc1c65b4c 100644 --- a/drivers/hid/hid-steelseries.c +++ b/drivers/hid/hid-steelseries.c @@ -253,6 +253,11 @@ static int steelseries_srws1_probe(struct hid_device *hdev, goto err_free; } + if (!hid_validate_values(hdev, HID_OUTPUT_REPORT, 0, 0, 16)) { + ret = -ENODEV; + goto err_free; + } + ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT); if (ret) { hid_err(hdev, "hw start failed\n"); |