Right now,only ixgdb,macvlan,vxlan and bridge implement fdb_add/fdb_del operations. these operations only operate the private data of net device. So allowing the unprivileged users who creates the userns and netns to add/del fdb entries will do no harm to other netns. Signed-off-by: Gao feng <gaofeng@xxxxxxxxxxxxxx> --- net/core/rtnetlink.c | 6 ------ 1 file changed, 6 deletions(-) diff --git a/net/core/rtnetlink.c b/net/core/rtnetlink.c index 9a419b0..c1e4db6 100644 --- a/net/core/rtnetlink.c +++ b/net/core/rtnetlink.c @@ -2058,9 +2058,6 @@ static int rtnl_fdb_add(struct sk_buff *skb, struct nlmsghdr *nlh, void *arg) u8 *addr; int err; - if (!capable(CAP_NET_ADMIN)) - return -EPERM; - err = nlmsg_parse(nlh, sizeof(*ndm), tb, NDA_MAX, NULL); if (err < 0) return err; @@ -2127,9 +2124,6 @@ static int rtnl_fdb_del(struct sk_buff *skb, struct nlmsghdr *nlh, void *arg) int err = -EINVAL; __u8 *addr; - if (!capable(CAP_NET_ADMIN)) - return -EPERM; - if (nlmsg_len(nlh) < sizeof(*ndm)) return -EINVAL; -- 1.7.11.7 _______________________________________________ Containers mailing list Containers@xxxxxxxxxxxxxxxxxxxxxxxxxx https://lists.linuxfoundation.org/mailman/listinfo/containers
