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-rw-r--r--net/core/net-sysfs.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/net/core/net-sysfs.c b/net/core/net-sysfs.c
index 3f40ea9de814..d954b56b4e47 100644
--- a/net/core/net-sysfs.c
+++ b/net/core/net-sysfs.c
@@ -1196,6 +1196,13 @@ static void remove_queue_kobjects(struct net_device *net)
#endif
}
+static bool net_current_may_mount(void)
+{
+ struct net *net = current->nsproxy->net_ns;
+
+ return ns_capable(net->user_ns, CAP_SYS_ADMIN);
+}
+
static void *net_grab_current_ns(void)
{
struct net *ns = current->nsproxy->net_ns;
@@ -1218,6 +1225,7 @@ static const void *net_netlink_ns(struct sock *sk)
struct kobj_ns_type_operations net_ns_type_operations = {
.type = KOBJ_NS_TYPE_NET,
+ .current_may_mount = net_current_may_mount,
.grab_current_ns = net_grab_current_ns,
.netlink_ns = net_netlink_ns,
.initial_ns = net_initial_ns,