When creating a raw PF_BLUETOOTH socket, CAP_NET_RAW needs to be checked first. Signed-off-by: Qingyu Li <ieatmuttonchuan@xxxxxxxxx> --- net/bluetooth/bnep/sock.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/net/bluetooth/bnep/sock.c b/net/bluetooth/bnep/sock.c index d515571b2afb..e06787a3b5ce 100644 --- a/net/bluetooth/bnep/sock.c +++ b/net/bluetooth/bnep/sock.c @@ -204,6 +204,9 @@ static int bnep_sock_create(struct net *net, struct socket *sock, int protocol, if (sock->type != SOCK_RAW) return -ESOCKTNOSUPPORT; + if (!capable(CAP_NET_RAW)) + return -EPERM; + sk = sk_alloc(net, PF_BLUETOOTH, GFP_ATOMIC, &bnep_proto, kern); if (!sk) return -ENOMEM; -- 2.17.1
