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authorDan Carpenter <dan.carpenter@oracle.com>2013-09-24 15:27:44 -0700
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2013-10-13 15:42:47 -0700
commitdd7c44612de48b6bbd2f81d4b6e83a9801a902a6 (patch)
treee1457e9e094a974d684e6fe23d8b616bbbe41f81 /drivers
parent5602328b0d66cd6c5ef0dd7be081fd779c49c27e (diff)
cpqarray: fix info leak in ida_locked_ioctl()
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>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/block/cpqarray.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/block/cpqarray.c b/drivers/block/cpqarray.c
index 9125bbeacd4..504bc16e450 100644
--- a/drivers/block/cpqarray.c
+++ b/drivers/block/cpqarray.c
@@ -1195,6 +1195,7 @@ 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;