linux_dsm_epyc7002/drivers/misc/mei
Alexander Usyskin 7326fffb71 mei: validate request value in client notify request ioctl
This patch address a possible security issue:

The request field in client notify request ioctl comes from user space
as u32 and is downcasted to u8 with out validation.
Check request field to have approved values
MEI_HBM_NOTIFICATION_STAR/STOP

Cc: <stable@vger.kernel.org> #4.3+
Signed-off-by: Alexander Usyskin <alexander.usyskin@intel.com>
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-02-06 22:12:56 -08:00
..
amthif.c
bus-fixup.c
bus.c
client.c
client.h
debugfs.c
hbm.c
hbm.h
hw-me-regs.h
hw-me.c
hw-me.h
hw-txe-regs.h
hw-txe.c
hw-txe.h
hw.h
init.c
interrupt.c
Kconfig
main.c mei: validate request value in client notify request ioctl 2016-02-06 22:12:56 -08:00
Makefile
mei_dev.h
mei-trace.c
mei-trace.h
pci-me.c
pci-txe.c
wd.c