This is a note to let you know that I've just added the patch titled
media: ttusb-dec: buffer overflow in ioctl
to the 3.17-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
media-ttusb-dec-buffer-overflow-in-ioctl.patch
and it can be found in the queue-3.17 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From f2e323ec96077642d397bb1c355def536d489d16 Mon Sep 17 00:00:00 2001
From: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
Date: Fri, 5 Sep 2014 09:09:28 -0300
Subject: media: ttusb-dec: buffer overflow in ioctl
From: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
commit f2e323ec96077642d397bb1c355def536d489d16 upstream.
We need to add a limit check here so we don't overflow the buffer.
Signed-off-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
Signed-off-by: Mauro Carvalho Chehab <mchehab@xxxxxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/media/usb/ttusb-dec/ttusbdecfe.c | 3 +++
1 file changed, 3 insertions(+)
--- a/drivers/media/usb/ttusb-dec/ttusbdecfe.c
+++ b/drivers/media/usb/ttusb-dec/ttusbdecfe.c
@@ -156,6 +156,9 @@ static int ttusbdecfe_dvbs_diseqc_send_m
0x00, 0x00, 0x00, 0x00,
0x00, 0x00 };
+ if (cmd->msg_len > sizeof(b) - 4)
+ return -EINVAL;
+
memcpy(&b[4], cmd->msg, cmd->msg_len);
state->config->send_command(fe, 0x72,
Patches currently in stable-queue which might be from dan.carpenter@xxxxxxxxxx are
queue-3.17/media-ttusb-dec-buffer-overflow-in-ioctl.patch
queue-3.17/dm-raid-ensure-superblock-s-size-matches-device-s-logical-block-size.patch
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