[PATCH 4.19 020/211] 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 @@ -858,6 +858,8 @@ static int ax25_create(struct net *net, break;

case SOCK_RAW: + if (!capable(CAP_NET_RAW)) + return -EPERM; break; default: return -ESOCKTNOSUPPORT;