From 0614e2b73768b502fc32a75349823356d98aae2c Mon Sep 17 00:00:00 2001
From: Ori Nimron <orinimron123@gmail.com>
Date: Fri, 20 Sep 2019 09:35:47 +0200
Subject: [PATCH] ax25: enforce CAP_NET_RAW for raw sockets
Git-commit: 0614e2b73768b502fc32a75349823356d98aae2c
Patch-mainline: v5.4-rc1
References: bsc#1051510
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>
Acked-by: Takashi Iwai <tiwai@suse.de>
---
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 ca5207767dc2..bb222b882b67 100644
--- a/net/ax25/af_ax25.c
+++ b/net/ax25/af_ax25.c
@@ -855,6 +855,8 @@ 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;
--
2.16.4