diff options
Diffstat (limited to 'net/ipv6/sysctl_net_ipv6.c')
| -rw-r--r-- | net/ipv6/sysctl_net_ipv6.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/net/ipv6/sysctl_net_ipv6.c b/net/ipv6/sysctl_net_ipv6.c index e85c48bd404..b06fd078e6c 100644 --- a/net/ipv6/sysctl_net_ipv6.c +++ b/net/ipv6/sysctl_net_ipv6.c @@ -52,6 +52,10 @@ static int __net_init ipv6_sysctl_net_init(struct net *net) goto out; ipv6_table[0].data = &net->ipv6.sysctl.bindv6only; + /* Don't export sysctls to unprivileged users */ + if (net->user_ns != &init_user_ns) + ipv6_table[0].procname = NULL; + ipv6_route_table = ipv6_route_sysctl_init(net); if (!ipv6_route_table) goto out_ipv6_table; |