diff options
| author | Vasiliy Kulikov <segoon@openwall.com> | 2011-02-14 13:54:26 +0300 |
|---|---|---|
| committer | Willy Tarreau <w@1wt.eu> | 2011-04-30 16:53:28 +0200 |
| commit | 86d6d5a9bb922d67b4ecde01277c39b40ea74b90 (patch) | |
| tree | 3ce0a27e493cc12dc712a05ea79b9560bba0feb8 /net | |
| parent | 130d82a534d65c3895ab65e6d309c3609890ddfc (diff) | |
Bluetooth: sco: fix information leak to userspace
commit c4c896e1471aec3b004a693c689f60be3b17ac86 upstream.
struct sco_conninfo has one padding byte in the end. Local variable
cinfo of type sco_conninfo is copied to userspace with this uninizialized
one byte, leading to old stack contents leak.
Signed-off-by: Vasiliy Kulikov <segoon@openwall.com>
Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'net')
| -rw-r--r-- | net/bluetooth/sco.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/net/bluetooth/sco.c b/net/bluetooth/sco.c index 0cc91e6da76d..49cd2e78ba5b 100644 --- a/net/bluetooth/sco.c +++ b/net/bluetooth/sco.c @@ -710,6 +710,7 @@ static int sco_sock_getsockopt(struct socket *sock, int level, int optname, char break; } + memset(&cinfo, 0, sizeof(cinfo)); cinfo.hci_handle = sco_pi(sk)->conn->hcon->handle; memcpy(cinfo.dev_class, sco_pi(sk)->conn->hcon->dev_class, 3); |