An attack using missing endpoints exists.
CVE-2016-3137
Signed-off-by: Oliver Neukum <[email protected]>
CC: [email protected]
---
drivers/usb/serial/cypress_m8.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/drivers/usb/serial/cypress_m8.c b/drivers/usb/serial/cypress_m8.c
index 01bf533..1c6cbf5 100644
--- a/drivers/usb/serial/cypress_m8.c
+++ b/drivers/usb/serial/cypress_m8.c
@@ -447,6 +447,9 @@ static int cypress_generic_port_probe(struct
usb_serial_port *port)
struct usb_serial *serial = port->serial;
struct cypress_private *priv;
+ if (!port->interrupt_out_urb || !port->interrupt_in_urb)
+ return -ENODEV;
+
priv = kzalloc(sizeof(struct cypress_private), GFP_KERNEL);
if (!priv)
return -ENOMEM;
--
2.1.4
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