netdev - [PATCH 12/14] user_ns: target af

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite for Android: free password hash cracker in your pocket

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-Id: <1311706717-7398-13-git-send-email-serge@hallyn.com>
Date:	Tue, 26 Jul 2011 18:58:35 +0000
From:	Serge Hallyn <serge@...lyn.com>
To:	linux-kernel@...r.kernel.org
Cc:	dhowells@...hat.com, ebiederm@...ssion.com,
	containers@...ts.linux-foundation.org, netdev@...r.kernel.org,
	akpm@...l.org, "Serge E. Hallyn" <serge.hallyn@...onical.com>
Subject: [PATCH 12/14] user_ns: target af_key capability check

From: Serge E. Hallyn <serge.hallyn@...onical.com>

This presumes that it really is complete wrt network namespaces.  Looking
at the code it appears to be.

Signed-off-by: Serge E. Hallyn <serge.hallyn@...onical.com>
Cc: Eric W. Biederman <ebiederm@...ssion.com>
---
 net/key/af_key.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/net/key/af_key.c b/net/key/af_key.c
index 1e733e9..1f90f4e 100644
--- a/net/key/af_key.c
+++ b/net/key/af_key.c
@@ -141,7 +141,7 @@ static int pfkey_create(struct net *net, struct socket *sock, int protocol,
 	struct sock *sk;
 	int err;
 
-	if (!capable(CAP_NET_ADMIN))
+	if (!ns_capable(net->user_ns, CAP_NET_ADMIN))
 		return -EPERM;
 	if (sock->type != SOCK_RAW)
 		return -ESOCKTNOSUPPORT;
-- 
1.7.4.1

--
To unsubscribe from this list: send the line "unsubscribe netdev" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html