lkml.org 
[lkml]   [2019]   [Oct]   [3]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[PATCH 4.19 020/211] ax25: enforce CAP_NET_RAW for raw sockets
Date
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;

\
 
 \ /
  Last update: 2019-10-03 19:28    [W:0.745 / U:0.404 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site