This is a note to let you know that I've just added the patch titled
Input: kbtab - validate number of endpoints before using them
to the 4.10-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
input-kbtab-validate-number-of-endpoints-before-using-them.patch
and it can be found in the queue-4.10 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From cb1b494663e037253337623bf1ef2df727883cb7 Mon Sep 17 00:00:00 2001
From: Johan Hovold <johan@xxxxxxxxxx>
Date: Thu, 16 Mar 2017 11:41:55 -0700
Subject: Input: kbtab - validate number of endpoints before using them
From: Johan Hovold <johan@xxxxxxxxxx>
commit cb1b494663e037253337623bf1ef2df727883cb7 upstream.
Make sure to check the number of endpoints to avoid dereferencing a
NULL-pointer should a malicious device lack endpoints.
Signed-off-by: Johan Hovold <johan@xxxxxxxxxx>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@xxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/input/tablet/kbtab.c | 3 +++
1 file changed, 3 insertions(+)
--- a/drivers/input/tablet/kbtab.c
+++ b/drivers/input/tablet/kbtab.c
@@ -122,6 +122,9 @@ static int kbtab_probe(struct usb_interf
struct input_dev *input_dev;
int error = -ENOMEM;
+ if (intf->cur_altsetting->desc.bNumEndpoints < 1)
+ return -ENODEV;
+
kbtab = kzalloc(sizeof(struct kbtab), GFP_KERNEL);
input_dev = input_allocate_device();
if (!kbtab || !input_dev)
Patches currently in stable-queue which might be from johan@xxxxxxxxxx are
queue-4.10/usb-serial-option-add-quectel-uc15-uc20-ec21-and-ec25-modems.patch
queue-4.10/input-ims-pcu-validate-number-of-endpoints-before-using-them.patch
queue-4.10/usb-usbtmc-add-missing-endpoint-sanity-check.patch
queue-4.10/input-cm109-validate-number-of-endpoints-before-using-them.patch
queue-4.10/input-iforce-validate-number-of-endpoints-before-using-them.patch
queue-4.10/mmc-ushc-fix-null-deref-at-probe.patch
queue-4.10/input-kbtab-validate-number-of-endpoints-before-using-them.patch
queue-4.10/usb-usbtmc-fix-probe-error-path.patch
queue-4.10/input-sur40-validate-number-of-endpoints-before-using-them.patch
queue-4.10/uwb-i1480-dfu-fix-null-deref-at-probe.patch
queue-4.10/input-hanwang-validate-number-of-endpoints-before-using-them.patch
queue-4.10/usb-idmouse-fix-null-deref-at-probe.patch
queue-4.10/uwb-hwa-rc-fix-null-deref-at-probe.patch
queue-4.10/usb-lvtest-fix-null-deref-at-probe.patch
queue-4.10/input-yealink-validate-number-of-endpoints-before-using-them.patch
queue-4.10/usb-serial-qcserial-add-dell-dw5811e.patch
queue-4.10/usb-uss720-fix-null-deref-at-probe.patch
queue-4.10/usb-wusbcore-fix-null-deref-at-probe.patch