-----Original Message-----
From: Dan Carpenter [mailto:dan.carpen...@oracle.com]
Sent: Wednesday, September 11, 2013 2:39 AM
To: Miller, Mike (OS Dev); Andrew Morton
Cc: ISS StorageDev; linux-kernel@vger.kernel.org;
kernel-janit...@vger.kernel.org; Moritz Muehlenhoff
Subject: [patch -resend] cciss: info leak in cciss_ioctl32_passthru()
The arg64 struct has a hole after ->buf_size which isn't cleared.
Or if any of the calls to copy_from_user() fail then that would cause an
information leak as well.
This was assigned CVE-2013-2147.
Signed-off-by: Dan Carpenter <dan.carpen...@oracle.com>
Acked-by: Mike Miller <mike.mil...@hp.com>
diff --git a/drivers/block/cciss.c b/drivers/block/cciss.c index
6374dc1..34971aa 100644
--- a/drivers/block/cciss.c
+++ b/drivers/block/cciss.c
@@ -1189,6 +1189,7 @@ static int cciss_ioctl32_passthru(struct block_device
*bdev, fmode_t mode,
int err;
u32 cp;
+ memset(&arg64, 0, sizeof(arg64));
err = 0;
err |=
copy_from_user(&arg64.LUN_info, &arg32->LUN_info,
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majord...@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/
