1 files changed, 9 insertions, 0 deletions

diff --git a/net/sched/sch_api.c b/net/sched/sch_api.c
index 13cc744a2498..4799c4840c1a 100644
--- a/net/sched/sch_api.c
+++ b/net/sched/sch_api.c
@@ -980,6 +980,9 @@ static int tc_get_qdisc(struct sk_buff *skb, struct nlmsghdr *n, void *arg)
         struct Qdisc *p = NULL;
         int err;
 
+        if ((n->nlmsg_type != RTM_GETQDISC) && !capable(CAP_NET_ADMIN))
+                return -EPERM;
+
         dev = __dev_get_by_index(net, tcm->tcm_ifindex);
         if (!dev)
                 return -ENODEV;
@@ -1043,6 +1046,9 @@ static int tc_modify_qdisc(struct sk_buff *skb, struct nlmsghdr *n, void *arg)
         struct Qdisc *q, *p;
         int err;
 
+        if (!capable(CAP_NET_ADMIN))
+                return -EPERM;
+
 replay:
         /* Reinit, just in case something touches this. */
         tcm = nlmsg_data(n);
@@ -1379,6 +1385,9 @@ static int tc_ctl_tclass(struct sk_buff *skb, struct nlmsghdr *n, void *arg)
         u32 qid = TC_H_MAJ(clid);
         int err;
 
+        if ((n->nlmsg_type != RTM_GETTCLASS) && !capable(CAP_NET_ADMIN))
+                return -EPERM;
+
         dev = __dev_get_by_index(net, tcm->tcm_ifindex);
         if (!dev)
                 return -ENODEV;