Commit 8ab78863 authored by Jeimon's avatar Jeimon Committed by David S. Miller
Browse files

net/nfc/rawsock.c: fix a permission check bug 



The function rawsock_create() calls a privileged function sk_alloc(), which requires a ns-aware check to check net->user_ns, i.e., ns_capable(). However, the original code checks the init_user_ns using capable(). So we replace the capable() with ns_capable().

Signed-off-by: default avatarJeimon <jjjinmeng.zhou@gmail.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent b7415964

net/nfc/rawsock.c

+1 −1
Original line number Diff line number Diff line
@@ -329,7 +329,7 @@ static int rawsock_create(struct net *net, struct socket *sock, 
		return -ESOCKTNOSUPPORT;



	if (sock->type == SOCK_RAW) {

		if (!capable(CAP_NET_RAW))

		if (!ns_capable(net->user_ns, CAP_NET_RAW))

			return -EPERM;

		sock->ops = &rawsock_raw_ops;

	} else {