diff options
author | Phil Blundell <philb@gnu.org> | 2010-11-24 11:49:53 -0800 |
---|---|---|
committer | Paul Gortmaker <paul.gortmaker@windriver.com> | 2011-04-17 16:15:59 -0400 |
commit | 623da35398c12085a237fc985613c7fe2b0a5a1a (patch) | |
tree | 78ed877f92939e8b7c9485f4fad99cf88628cca2 /net | |
parent | 4b26a9cc1ed74cb87c24830de097aebb08234b81 (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: Paul Gortmaker <paul.gortmaker@windriver.com>
Diffstat (limited to 'net')
-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 8170acbe280d..cd62e27035ef 100644 --- a/net/econet/af_econet.c +++ b/net/econet/af_econet.c @@ -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. */ |