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(parent: dc8e739) | patch
USB: cxacru: potential underflow in cxacru_cm_get_array()
authorDan Carpenter <dan.carpenter@oracle.com>
Sun, 19 May 2013 18:52:20 +0000 (21:52 +0300)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Fri, 7 Jun 2013 19:49:11 +0000 (12:49 -0700)
commitfcaa80f4f20519ee7d432d727b375e7a181e6a50
tree097548e8714ab85fb9d55b4364194a15f8c127ectree | snapshot
parentdc8e739467bb6552d5e8325d5f32e356f48da3b6commit | diff
USB: cxacru: potential underflow in cxacru_cm_get_array()

commit 2a0ebf80aa95cc758d4725f74a7016e992606a39 upstream.

The value of "offd" comes off the instance->rcv_buf[] and we used it as
the offset into an array.  The problem is that we check the upper bound
but not for negative values.

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/usb/atm/cxacru.c diff | blob | history
Domain: System / Kernel;