]> git.baikalelectronics.ru Git - kernel.git/commit
Bluetooth: HCI - Fix info leak in getsockopt(HCI_FILTER)
authorMathias Krause <minipli@googlemail.com>
Wed, 15 Aug 2012 11:31:46 +0000 (11:31 +0000)
committerDavid S. Miller <davem@davemloft.net>
Thu, 16 Aug 2012 04:36:30 +0000 (21:36 -0700)
commit432c48603cb5d38e01a66bb5c48ce2a975eafa9b
treeab24fc2022a7e5c993940ecfb5a3889e4bdc4c24
parente72bce8d141f4d09e9fdc33e5c29300999a8b394
Bluetooth: HCI - Fix info leak in getsockopt(HCI_FILTER)

The HCI code fails to initialize the two padding bytes of struct
hci_ufilter before copying it to userland -- that for leaking two
bytes kernel stack. Add an explicit memset(0) before filling the
structure to avoid the info leak.

Signed-off-by: Mathias Krause <minipli@googlemail.com>
Cc: Marcel Holtmann <marcel@holtmann.org>
Cc: Gustavo Padovan <gustavo@padovan.org>
Cc: Johan Hedberg <johan.hedberg@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
net/bluetooth/hci_sock.c