From 73b8d26c842a5a3be34a321beab1f97939d9794b Mon Sep 17 00:00:00 2001 From: Ori Nimron Date: Fri, 20 Sep 2019 09:35:47 +0200 Subject: [PATCH] ax25: enforce CAP_NET_RAW for raw sockets [ Upstream commit 0614e2b73768b502fc32a75349823356d98aae2c ] When creating a raw AF_AX25 socket, CAP_NET_RAW needs to be checked first. Signed-off-by: Ori Nimron Signed-off-by: Greg Kroah-Hartman Signed-off-by: David S. Miller Signed-off-by: Greg Kroah-Hartman --- net/ax25/af_ax25.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/net/ax25/af_ax25.c b/net/ax25/af_ax25.c index 2772f6a..de55a3f 100644 --- a/net/ax25/af_ax25.c +++ b/net/ax25/af_ax25.c @@ -859,6 +859,8 @@ static int ax25_create(struct net *net, struct socket *sock, int protocol, break; case SOCK_RAW: + if (!capable(CAP_NET_RAW)) + return -EPERM; break; default: return -ESOCKTNOSUPPORT; -- 2.7.4