diff options
Diffstat (limited to 'cdc-acm-more-sanity-checking.patch')
| -rw-r--r-- | cdc-acm-more-sanity-checking.patch | 33 |
1 files changed, 0 insertions, 33 deletions
diff --git a/cdc-acm-more-sanity-checking.patch b/cdc-acm-more-sanity-checking.patch deleted file mode 100644 index 99ad43416..000000000 --- a/cdc-acm-more-sanity-checking.patch +++ /dev/null @@ -1,33 +0,0 @@ -From e6a87f147002fa16adcbafebbc458ff90a463474 Mon Sep 17 00:00:00 2001 -From: Oliver Neukum <oneukum@suse.com> -Date: Tue, 15 Mar 2016 10:14:04 +0100 -Subject: [PATCH] cdc-acm: more sanity checking - -An attack has become available which pretends to be a quirky -device circumventing normal sanity checks and crashes the kernel -by an insufficient number of interfaces. This patch adds a check -to the code path for quirky devices. - -Signed-off-by: Oliver Neukum <ONeukum@suse.com> -CC: stable@vger.kernel.org ---- - drivers/usb/class/cdc-acm.c | 3 +++ - 1 file changed, 3 insertions(+) - -diff --git a/drivers/usb/class/cdc-acm.c b/drivers/usb/class/cdc-acm.c -index 26ca4f910cb0..a7732f80a912 100644 ---- a/drivers/usb/class/cdc-acm.c -+++ b/drivers/usb/class/cdc-acm.c -@@ -1113,6 +1113,9 @@ static int acm_probe(struct usb_interface *intf, - if (quirks == NO_UNION_NORMAL) { - data_interface = usb_ifnum_to_if(usb_dev, 1); - control_interface = usb_ifnum_to_if(usb_dev, 0); -+ /* we would crash */ -+ if (!data_interface || !control_interface) -+ return -ENODEV; - goto skip_normal_probe; - } - --- -2.5.0 - |