Commit 16c41745 authored by Phil Blundell's avatar Phil Blundell Committed by David S. Miller
Browse files

econet: fix CVE-2010-3850 



Add missing check for capable(CAP_NET_ADMIN) in SIOCSIFADDR operation.

Signed-off-by: default avatarPhil Blundell <philb@gnu.org>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent fa0e8464

net/econet/af_econet.c

+3 −0
Original line number Diff line number Diff line
@@ -661,6 +661,9 @@ static int ec_dev_ioctl(struct socket *sock, unsigned int cmd, void __user *arg) 
	err = 0;

	switch (cmd) {

	case SIOCSIFADDR:

		if (!capable(CAP_NET_ADMIN))

			return -EPERM;



		edev = dev->ec_ptr;

		if (edev == NULL) {

			/* Magic up a new one. */