aacraid: missing capable() check in compat ioctl

commit f856567b930dfcdbc3323261bf77240ccdde01f5 upstream.

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>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/scsi/aacraid/linit.c b/drivers/scsi/aacraid/linit.c
index 408a42ef787a32b6d8fece98c717376ce93c1270..f0d432c139d0cecedf51295562c858d22a9f44f0 100644 (file)
--- a/drivers/scsi/aacraid/linit.c
+++ b/drivers/scsi/aacraid/linit.c
@@ -771,6 +771,8 @@ static long aac_compat_do_ioctl(struct aac_dev *dev, unsigned cmd, unsigned long
 static int aac_compat_ioctl(struct scsi_device *sdev, int cmd, void __user *arg)
 {
        struct aac_dev *dev = (struct aac_dev *)sdev->host->hostdata;
+       if (!capable(CAP_SYS_RAWIO))
+               return -EPERM;
        return aac_compat_do_ioctl(dev, cmd, (unsigned long)arg);
 }