diff options
Diffstat (limited to 'net/netfilter/ipvs/ip_vs_ctl.c')
| -rw-r--r-- | net/netfilter/ipvs/ip_vs_ctl.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/net/netfilter/ipvs/ip_vs_ctl.c b/net/netfilter/ipvs/ip_vs_ctl.c index c4ee43710aab..ec664cbb119f 100644 --- a/net/netfilter/ipvs/ip_vs_ctl.c +++ b/net/netfilter/ipvs/ip_vs_ctl.c @@ -2339,7 +2339,7 @@ do_ip_vs_set_ctl(struct sock *sk, int cmd, void __user *user, unsigned int len) struct ip_vs_dest_user_kern udest; struct netns_ipvs *ipvs = net_ipvs(net); - if (!capable(CAP_NET_ADMIN)) + if (!ns_capable(sock_net(sk)->user_ns, CAP_NET_ADMIN)) return -EPERM; if (cmd < IP_VS_BASE_CTL || cmd > IP_VS_SO_SET_MAX) @@ -2632,7 +2632,7 @@ do_ip_vs_get_ctl(struct sock *sk, int cmd, void __user *user, int *len) struct netns_ipvs *ipvs = net_ipvs(net); BUG_ON(!net); - if (!capable(CAP_NET_ADMIN)) + if (!ns_capable(sock_net(sk)->user_ns, CAP_NET_ADMIN)) return -EPERM; if (cmd < IP_VS_BASE_CTL || cmd > IP_VS_SO_GET_MAX) @@ -3699,6 +3699,10 @@ static int __net_init ip_vs_control_net_init_sysctl(struct net *net) tbl = kmemdup(vs_vars, sizeof(vs_vars), GFP_KERNEL); if (tbl == NULL) return -ENOMEM; + + /* Don't export sysctls to unprivileged users */ + if (net->user_ns != &init_user_ns) + tbl[0].procname = NULL; } else tbl = vs_vars; /* Initialize sysctl defaults */ |