Messages in this thread Patch in this message | | | From | "Miller, Mike (OS Dev)" <> | Subject | RE: [patch -resend] cpqarray: info leak in ida_locked_ioctl() | Date | Wed, 11 Sep 2013 17:23:06 +0000 |
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-----Original Message----- From: Dan Carpenter [mailto:dan.carpenter@oracle.com] Sent: Wednesday, September 11, 2013 2:38 AM To: Chirag Kantharia; Andrew Morton Cc: ISS StorageDev; linux-kernel@vger.kernel.org; kernel-janitors@vger.kernel.org; Moritz Muehlenhoff Subject: [patch -resend] cpqarray: info leak in ida_locked_ioctl()
The pciinfo struct has a two byte hole after ->dev_fn so stack information could be leaked to the user.
This was assigned CVE-2013-2147.
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Acked-by: Mike Miller <mike.miller@hp.com>
diff --git a/drivers/block/cpqarray.c b/drivers/block/cpqarray.c index 639d26b..2b94403 100644 --- a/drivers/block/cpqarray.c +++ b/drivers/block/cpqarray.c @@ -1193,6 +1193,7 @@ out_passthru: ida_pci_info_struct pciinfo; if (!arg) return -EINVAL; + memset(&pciinfo, 0, sizeof(pciinfo)); pciinfo.bus = host->pci_dev->bus->number; pciinfo.dev_fn = host->pci_dev->devfn; pciinfo.board_id = host->board_id;
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