diff options
author | Phil Blundell <philb@gnu.org> | 2010-11-24 11:49:53 -0800 |
---|---|---|
committer | Greg Kroah-Hartman <gregkh@suse.de> | 2011-03-21 12:44:18 -0700 |
commit | e2ebf28f8733a1cc3539a02e6c07e08e9eff9962 (patch) | |
tree | 8a5ff279000b9084d04a9628740ab424178bb599 /net/econet/af_econet.c | |
parent | 8db8568ebd04b53744abdb0ecdbac41a4f866523 (diff) |
econet: fix CVE-2010-3850
commit 16c41745c7b92a243d0874f534c1655196c64b74 upstream.
Add missing check for capable(CAP_NET_ADMIN) in SIOCSIFADDR operation.
Signed-off-by: Phil Blundell <philb@gnu.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'net/econet/af_econet.c')
-rw-r--r-- | net/econet/af_econet.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/net/econet/af_econet.c b/net/econet/af_econet.c index 6153ec9a547..bc48a6b69cc 100644 --- a/net/econet/af_econet.c +++ b/net/econet/af_econet.c @@ -660,6 +660,9 @@ 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. */ |