Commit c84b3268 authored by Eric Paris's avatar Eric Paris Committed by David S. Miller

net: check kern before calling security subsystem

Before calling capable(CAP_NET_RAW) check if this operations is on behalf
of the kernel or on behalf of userspace.  Do not do the security check if
it is on behalf of the kernel.
Signed-off-by: default avatarEric Paris <eparis@redhat.com>
Acked-by: default avatarArnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 3f378b68
......@@ -832,7 +832,7 @@ static int l2cap_sock_create(struct net *net, struct socket *sock, int protocol,
sock->type != SOCK_DGRAM && sock->type != SOCK_RAW)
return -ESOCKTNOSUPPORT;
if (sock->type == SOCK_RAW && !capable(CAP_NET_RAW))
if (sock->type == SOCK_RAW && !kern && !capable(CAP_NET_RAW))
return -EPERM;
sock->ops = &l2cap_sock_ops;
......
......@@ -326,7 +326,7 @@ static int inet_create(struct net *net, struct socket *sock, int protocol,
}
err = -EPERM;
if (sock->type == SOCK_RAW && !capable(CAP_NET_RAW))
if (sock->type == SOCK_RAW && !kern && !capable(CAP_NET_RAW))
goto out_rcu_unlock;
err = -EAFNOSUPPORT;
......
......@@ -159,7 +159,7 @@ static int inet6_create(struct net *net, struct socket *sock, int protocol,
}
err = -EPERM;
if (sock->type == SOCK_RAW && !capable(CAP_NET_RAW))
if (sock->type == SOCK_RAW && !kern && !capable(CAP_NET_RAW))
goto out_rcu_unlock;
sock->ops = answer->ops;
......
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