Commit 627aad1c authored by Dan Carpenter's avatar Dan Carpenter Committed by Linus Torvalds

cpqarray: fix 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: default avatarDan Carpenter <>
Acked-by: default avatarMike Miller <>
Signed-off-by: default avatarAndrew Morton <>
Signed-off-by: default avatarLinus Torvalds <>
parent e2f0b88e
......@@ -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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