[PATCH 3.5 29/78] aacraid: missing capable() check in compat ioctl
Luis Henriques
luis.henriques at canonical.com
Mon Nov 25 13:06:16 UTC 2013
3.5.7.26 -stable review patch. If anyone has any objections, please let me know.
------------------
From: Dan Carpenter <dan.carpenter at oracle.com>
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 at oracle.com>
Signed-off-by: Linus Torvalds <torvalds at linux-foundation.org>
Signed-off-by: Luis Henriques <luis.henriques at canonical.com>
---
drivers/scsi/aacraid/linit.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/drivers/scsi/aacraid/linit.c b/drivers/scsi/aacraid/linit.c
index 0d279c44..e9313f8 100644
--- a/drivers/scsi/aacraid/linit.c
+++ b/drivers/scsi/aacraid/linit.c
@@ -777,6 +777,8 @@ 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);
}
--
1.8.3.2
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