Merge tag 'mac80211-for-davem-2016-04-14' of git://git.kernel.org/pub/scm/linux/kerne...
authorDavid S. Miller <davem@davemloft.net>
Thu, 14 Apr 2016 16:00:59 +0000 (12:00 -0400)
committerDavid S. Miller <davem@davemloft.net>
Thu, 14 Apr 2016 16:00:59 +0000 (12:00 -0400)
Johannes Berg says:

====================
This has just the single fix from Dmitry Ivanov, adding the missing
netlink notifier family check to avoid the socket close DoS problem.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
net/wireless/nl80211.c

index 98c924260b3d312055c598255cff8478bccba1e9..056a7307862b78f5f0b2013b41c2686b5de18064 100644 (file)
@@ -13216,7 +13216,7 @@ static int nl80211_netlink_notify(struct notifier_block * nb,
        struct wireless_dev *wdev;
        struct cfg80211_beacon_registration *reg, *tmp;
 
-       if (state != NETLINK_URELEASE)
+       if (state != NETLINK_URELEASE || notify->protocol != NETLINK_GENERIC)
                return NOTIFY_DONE;
 
        rcu_read_lock();