redonkable
/
alistair23-linux
1
0
Fork 0
Code Releases Activity

can: kvaser_usb: kvaser_usb_leaf: Fix some info-leaks to USB devices 

commit da2311a638 upstream.

Uninitialized Kernel memory can leak to USB devices.

Fix this by using kzalloc() instead of kmalloc().

Signed-off-by: Xiaolong Huang <butterflyhuangxx@gmail.com>
Fixes: 7259124eac ("can: kvaser_usb: Split driver into kvaser_usb_core.c and kvaser_usb_leaf.c")
Cc: linux-stable <stable@vger.kernel.org> # >= v4.19
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
5.4-rM2-2.2.x-imx-squashed
Xiaolong Huang 2019-12-07 22:40:24 +08:00 committed by Greg Kroah-Hartman
parent 6c1fe4e01c
commit 9562cdb0af
1 changed files with 3 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
drivers/net/can/usb/kvaser_usb/kvaser_usb_leaf.c
View File

@ -608,7 +608,7 @@ static int kvaser_usb_leaf_simple_cmd_async(struct kvaser_usb_net_priv *priv,
struct kvaser_cmd *cmd;
int err;
cmd = kmalloc(sizeof(*cmd), GFP_ATOMIC);
cmd = kzalloc(sizeof(*cmd), GFP_ATOMIC);
if (!cmd)
return -ENOMEM;
@ -1140,7 +1140,7 @@ static int kvaser_usb_leaf_set_opt_mode(const struct kvaser_usb_net_priv *priv)
struct kvaser_cmd *cmd;
int rc;
cmd = kmalloc(sizeof(*cmd), GFP_KERNEL);
cmd = kzalloc(sizeof(*cmd), GFP_KERNEL);
if (!cmd)
return -ENOMEM;
@ -1206,7 +1206,7 @@ static int kvaser_usb_leaf_flush_queue(struct kvaser_usb_net_priv *priv)
struct kvaser_cmd *cmd;
int rc;
cmd = kmalloc(sizeof(*cmd), GFP_KERNEL);
cmd = kzalloc(sizeof(*cmd), GFP_KERNEL);
if (!cmd)
return -ENOMEM;