Code:  static int aac_compat_ioctl(struct scsi_device *sdev, int cmd, void __user *arg)
 {
 	struct aac_dev *dev = (struct aac_dev *)sdev->host->hostdata;
 	return aac_compat_do_ioctl(dev, cmd, (unsigned long)arg);
 }

Vulnerability Type: Bypass 
CWE ID: CWE-264
Summary: The aac_compat_ioctl function in drivers/scsi/aacraid/linit.c in the Linux kernel before 3.11.8 does not require the CAP_SYS_RAWIO capability, which allows local users to bypass intended access restrictions via a crafted ioctl call.
Commit Message: aacraid: missing capable() check in compat ioctl

In commit d496f94d22d1 ('[SCSI] aacraid: fix security weakness') we
added a check on CAP_SYS_RAWIO to the ioctl.  The compat ioctls need the
check as well.

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Cc: stable@kernel.org
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>