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| author | Phil Blundell <philb@gnu.org> | 2010-11-24 11:49:53 -0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@suse.de> | 2010-12-09 13:24:21 -0800 |
| commit | 4cdc2eff54305fe4ac976f091ab2ad8952100f1a (patch) | |
| tree | 3dac302737d8fe8c2dc12c0bfdf6ca78efeb9694 | |
| parent | b13ca1096cc1e5563fbf551d4ffb27798e0d731e (diff) | |
| download | lwn-4cdc2eff54305fe4ac976f091ab2ad8952100f1a.tar.gz lwn-4cdc2eff54305fe4ac976f091ab2ad8952100f1a.zip | |
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>
| -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 2b6c4dc29acf..2aa178658531 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. */ |