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Overhaul CVE patches

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This commit is contained in:
Tad 2017-10-29 14:23:02 -04:00
parent ce59045163
commit 92a0187dfb
907 changed files with 301921 additions and 3819 deletions
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49
Patches/Linux_CVEs-New/CVE-2016-3136/ANY/0.patch Normal file
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@ -0,0 +1,49 @@
From 4e9a0b05257f29cf4b75f3209243ed71614d062e Mon Sep 17 00:00:00 2001
From: Oliver Neukum <oneukum@suse.com>
Date: Thu, 31 Mar 2016 12:04:24 -0400
Subject: USB: mct_u232: add sanity checking in probe
An attack using the lack of sanity checking in probe is known. This
patch checks for the existence of a second port.
CVE-2016-3136
Signed-off-by: Oliver Neukum <ONeukum@suse.com>
CC: stable@vger.kernel.org
[johan: add error message ]
Signed-off-by: Johan Hovold <johan@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/usb/serial/mct_u232.c | 9 ++++++++-
1 file changed, 8 insertions(+), 1 deletion(-)
diff --git a/drivers/usb/serial/mct_u232.c b/drivers/usb/serial/mct_u232.c
index 4446b8d..8856553 100644
--- a/drivers/usb/serial/mct_u232.c
+++ b/drivers/usb/serial/mct_u232.c
@@ -376,14 +376,21 @@ static void mct_u232_msr_to_state(struct usb_serial_port *port,
static int mct_u232_port_probe(struct usb_serial_port *port)
{
+ struct usb_serial *serial = port->serial;
struct mct_u232_private *priv;
+ /* check first to simplify error handling */
+ if (!serial->port[1] || !serial->port[1]->interrupt_in_urb) {
+ dev_err(&port->dev, "expected endpoint missing\n");
+ return -ENODEV;
+ }
+
priv = kzalloc(sizeof(*priv), GFP_KERNEL);
if (!priv)
return -ENOMEM;
/* Use second interrupt-in endpoint for reading. */
- priv->read_urb = port->serial->port[1]->interrupt_in_urb;
+ priv->read_urb = serial->port[1]->interrupt_in_urb;
priv->read_urb->context = port;
spin_lock_init(&priv->lock);
--
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