diff options
| author | Filip Palian <s3810@pjwstk.edu.pl> | 2011-05-12 19:32:46 +0200 |
|---|---|---|
| committer | Gustavo F. Padovan <padovan@profusion.mobi> | 2011-05-30 14:12:50 -0300 |
| commit | 9d5f0d536ccc782545c6b7984fab8103779e6ae3 (patch) | |
| tree | b9da2379ba62b8e9d42adc44bc8e4f72f9c7ee27 /net/bluetooth/l2cap_sock.c | |
| parent | 55922c9d1b84b89cb946c777fddccb3247e7df2c (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/l2cap_sock.c')
| -rw-r--r-- | net/bluetooth/l2cap_sock.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/net/bluetooth/l2cap_sock.c b/net/bluetooth/l2cap_sock.c index 18dc9888d8c2..8248303f44e8 100644 --- a/net/bluetooth/l2cap_sock.c +++ b/net/bluetooth/l2cap_sock.c @@ -413,6 +413,7 @@ static int l2cap_sock_getsockopt_old(struct socket *sock, int optname, char __us break; } + memset(&cinfo, 0, sizeof(cinfo)); cinfo.hci_handle = chan->conn->hcon->handle; memcpy(cinfo.dev_class, chan->conn->hcon->dev_class, 3); |