tree fbd6562b9f1711c050b0cbfebd61b7b0a7382efa
parent 17102f8be41699525cfeeab02adbaf969b156731
author Ursula Braun <ursula.braun@de.ibm.com> 1383725092 +0100
committer David S. Miller <davem@davemloft.net> 1383811319 -0500

qeth: avoid buffer overflow in snmp ioctl

Check user-defined length in snmp ioctl request and allow request
only if it fits into a qeth command buffer.

Signed-off-by: Ursula Braun <ursula.braun@de.ibm.com>
Signed-off-by: Frank Blaschka <frank.blaschka@de.ibm.com>
Reviewed-by: Heiko Carstens <heicars2@linux.vnet.ibm.com>
Reported-by: Nico Golde <nico@ngolde.de>
Reported-by: Fabian Yamaguchi <fabs@goesec.de>
Cc: <stable@vger.kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>