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cpqarray: fix info leak in ida_locked_ioctl()

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commit 627aad1c01da6f881e7f98d71fd928ca0c316b1a upstream.

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>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Dan Carpenter 2013-09-24 15:27:44 -07:00 committed by Greg Kroah-Hartman
parent 9e65b30820
commit d862d211b0
1 changed files with 1 additions and 0 deletions
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drivers/block/cpqarray.c
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@ -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;