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-rw-r--r--net/core/neighbour.c9
1 files changed, 9 insertions, 0 deletions
diff --git a/net/core/neighbour.c b/net/core/neighbour.c
index f1c0c2e9cad5..7adcdaf91c4d 100644
--- a/net/core/neighbour.c
+++ b/net/core/neighbour.c
@@ -1620,6 +1620,9 @@ static int neigh_delete(struct sk_buff *skb, struct nlmsghdr *nlh, void *arg)
struct net_device *dev = NULL;
int err = -EINVAL;
+ if (!capable(CAP_NET_ADMIN))
+ return -EPERM;
+
ASSERT_RTNL();
if (nlmsg_len(nlh) < sizeof(*ndm))
goto out;
@@ -1684,6 +1687,9 @@ static int neigh_add(struct sk_buff *skb, struct nlmsghdr *nlh, void *arg)
struct net_device *dev = NULL;
int err;
+ if (!capable(CAP_NET_ADMIN))
+ return -EPERM;
+
ASSERT_RTNL();
err = nlmsg_parse(nlh, sizeof(*ndm), tb, NDA_MAX, NULL);
if (err < 0)
@@ -1962,6 +1968,9 @@ static int neightbl_set(struct sk_buff *skb, struct nlmsghdr *nlh, void *arg)
struct nlattr *tb[NDTA_MAX+1];
int err;
+ if (!capable(CAP_NET_ADMIN))
+ return -EPERM;
+
err = nlmsg_parse(nlh, sizeof(*ndtmsg), tb, NDTA_MAX,
nl_neightbl_policy);
if (err < 0)

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