From foo@baz Tue 01 Oct 2019 03:27:55 PM CEST From: Ori Nimron <orinimron123@gmail.com> Date: Fri, 20 Sep 2019 09:35:47 +0200 Subject: ax25: enforce CAP_NET_RAW for raw sockets From: Ori Nimron <orinimron123@gmail.com> [ Upstream commit 0614e2b73768b502fc32a75349823356d98aae2c ] When creating a raw AF_AX25 socket, CAP_NET_RAW needs to be checked first. Signed-off-by: Ori Nimron <orinimron123@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Signed-off-by: David S. Miller <davem@davemloft.net> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> --- net/ax25/af_ax25.c | 2 ++ 1 file changed, 2 insertions(+) --- a/net/ax25/af_ax25.c +++ b/net/ax25/af_ax25.c @@ -855,6 +855,8 @@ static int ax25_create(struct net *net, break; case SOCK_RAW: + if (!capable(CAP_NET_RAW)) + return -EPERM; break; default: return -ESOCKTNOSUPPORT;