diff options
Diffstat (limited to 'net/netfilter/nf_conntrack_helper.c')
| -rw-r--r-- | net/netfilter/nf_conntrack_helper.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/net/netfilter/nf_conntrack_helper.c b/net/netfilter/nf_conntrack_helper.c index c4bc637feb76..884f2b39319a 100644 --- a/net/netfilter/nf_conntrack_helper.c +++ b/net/netfilter/nf_conntrack_helper.c @@ -64,6 +64,10 @@ static int nf_conntrack_helper_init_sysctl(struct net *net) table[0].data = &net->ct.sysctl_auto_assign_helper; + /* Don't export sysctls to unprivileged users */ + if (net->user_ns != &init_user_ns) + table[0].procname = NULL; + net->ct.helper_sysctl_header = register_net_sysctl(net, "net/netfilter", table); |