diff options
author | Filip Palian <s3810@pjwstk.edu.pl> | 2011-05-12 13:32:46 -0400 |
---|---|---|
committer | Gustavo F. Padovan <padovan@profusion.mobi> | 2011-06-09 14:30:01 -0400 |
commit | 8d03e971cf403305217b8e62db3a2e5ad2d6263f (patch) | |
tree | 849bb2e439234c63480c6485a3b663a3377cfd21 /net/bluetooth/rfcomm | |
parent | 51892dbbd511911c0f965a36b431fc3e8f1e4f8a (diff) |
Bluetooth: l2cap and rfcomm: fix 1 byte infoleak to userspace.
Structures "l2cap_conninfo" and "rfcomm_conninfo" have one padding
byte each. This byte in "cinfo" is copied to userspace uninitialized.
Signed-off-by: Filip Palian <filip.palian@pjwstk.edu.pl>
Acked-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>
Diffstat (limited to 'net/bluetooth/rfcomm')
-rw-r--r-- | net/bluetooth/rfcomm/sock.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/net/bluetooth/rfcomm/sock.c b/net/bluetooth/rfcomm/sock.c index 386cfaffd4b7..1b10727ce523 100644 --- a/net/bluetooth/rfcomm/sock.c +++ b/net/bluetooth/rfcomm/sock.c | |||
@@ -788,6 +788,7 @@ static int rfcomm_sock_getsockopt_old(struct socket *sock, int optname, char __u | |||
788 | 788 | ||
789 | l2cap_sk = rfcomm_pi(sk)->dlc->session->sock->sk; | 789 | l2cap_sk = rfcomm_pi(sk)->dlc->session->sock->sk; |
790 | 790 | ||
791 | memset(&cinfo, 0, sizeof(cinfo)); | ||
791 | cinfo.hci_handle = conn->hcon->handle; | 792 | cinfo.hci_handle = conn->hcon->handle; |
792 | memcpy(cinfo.dev_class, conn->hcon->dev_class, 3); | 793 | memcpy(cinfo.dev_class, conn->hcon->dev_class, 3); |
793 | 794 | ||