projects/linux·commit f856567b

aacraid: missing capable() check in compat ioctl

f856567b · Dan Carpenter <[email protected]> · 2013-10-29 22:11:06 +03:00

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 <[email protected]>
Cc: [email protected]
Signed-off-by: Linus Torvalds <[email protected]>
Commit
f856567b930dfcdbc3323261bf77240ccdde01f5
Parents
c2c65cd2

Changes

1 files changed · +2 −0

FileStatusAddDelContent
drivers/scsi/aacraid/linit.cmodified+2−0View file

drivers/scsi/aacraid/linit.c

View file
diff --git a/drivers/scsi/aacraid/linit.c b/drivers/scsi/aacraid/linit.c
index 408a42e..f0d432c 100644
--- 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);
}