Messages in this thread | | | Date | Fri, 23 Jun 2017 00:29:35 +0200 | From | Samuel Ortiz <> | Subject | Re: [PATCH] nfc: Ensure presence of required attributes in the activate_target netlink handler |
| |
Hi Mateusz,
On Wed, May 24, 2017 at 12:42:26PM +0200, Mateusz Jurczyk wrote: > Check that the NFC_ATTR_TARGET_INDEX and NFC_ATTR_PROTOCOLS attributes (in > addition to NFC_ATTR_DEVICE_INDEX) are provided by the netlink client > prior to accessing them. This prevents potential unhandled NULL pointer > dereference exceptions which can be triggered by malicious user-mode > programs, if they omit one or both of these attributes. > > Signed-off-by: Mateusz Jurczyk <mjurczyk@google.com> > --- > net/nfc/netlink.c | 4 +++- > 1 file changed, 3 insertions(+), 1 deletion(-) Applied, thanks.
Cheers, Samuel.
| |