netdev - [PATCH 6/6] net: Export ip fragment sysctl to unprivileged users

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: Windows password security audit tool. GUI, reports in PDF.

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

Date:	Mon, 15 Feb 2016 12:11:32 +0200
From:	Nikolay Borisov <kernel@...p.com>
To:	davem@...emloft.net
Cc:	netfilter-devel@...r.kernel.org, ebiederm@...ssion.com,
	pabeni@...hat.com, jmorris@...ei.org, netdev@...r.kernel.org
Subject: [PATCH 6/6] net: Export ip fragment sysctl to unprivileged users

Now that all the ip fragmentation related sysctls are namespaceified
there is no reason to hide them anymore from "root" users inside
containers.

Signed-off-by: Nikolay Borisov <kernel@...p.com>
---
 net/ipv4/ip_fragment.c | 4 ----
 1 file changed, 4 deletions(-)

diff --git a/net/ipv4/ip_fragment.c b/net/ipv4/ip_fragment.c
index 957161413335..efbd47d1a531 100644
--- a/net/ipv4/ip_fragment.c
+++ b/net/ipv4/ip_fragment.c
@@ -789,10 +789,6 @@ static int __net_init ip4_frags_ns_ctl_register(struct net *net)
 		table[1].extra2 = &net->ipv4.frags.high_thresh;
 		table[2].data = &net->ipv4.frags.timeout;
 		table[3].data = &net->ipv4.frags.max_dist;
-
-		/* Don't export sysctls to unprivileged users */
-		if (net->user_ns != &init_user_ns)
-			table[0].procname = NULL;
 	}
 
 	hdr = register_net_sysctl(net, "net/ipv4", table);
-- 
2.5.0