| Message ID | 20200818082103.GA2692@oppo |
|---|---|
| State | Awaiting Upstream |
| Delegated to: | David Miller |
| Headers | show |
| Series | net/bluetooth/hidp/sock.c: add CAP_NET_RAW check. | expand |
On Tue, 18 Aug 2020 16:21:03 +0800 Qingyu Li <ieatmuttonchuan@gmail.com> wrote: > When creating a raw PF_BLUETOOTH socket, > CAP_NET_RAW needs to be checked first. > > Signed-off-by: Qingyu Li <ieatmuttonchuan@gmail.com> Please see my replies to your previous patches.
diff --git a/net/bluetooth/hidp/sock.c b/net/bluetooth/hidp/sock.c index 595fb3c9d6c3..3dd9c8e0419a 100644 --- a/net/bluetooth/hidp/sock.c +++ b/net/bluetooth/hidp/sock.c @@ -255,6 +255,9 @@ static int hidp_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, &hidp_proto, kern); if (!sk) return -ENOMEM;
When creating a raw PF_BLUETOOTH socket, CAP_NET_RAW needs to be checked first. Signed-off-by: Qingyu Li <ieatmuttonchuan@gmail.com> --- net/bluetooth/hidp/sock.c | 3 +++ 1 file changed, 3 insertions(+) -- 2.17.1