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authorDan Carpenter <dan.carpenter@oracle.com>2013-09-25 02:27:44 +0400
committerLinus Torvalds <torvalds@linux-foundation.org>2013-09-25 04:00:26 +0400
commit627aad1c01da6f881e7f98d71fd928ca0c316b1a (patch)
treec230f8ba3139702ae869922a4e903ed2ce6c0aec /drivers/block
parente2f0b88e84eed9cf9797f0a88c8012ee0b885a6d (diff)
downloadlinux-627aad1c01da6f881e7f98d71fd928ca0c316b1a.tar.xz
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: 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>
Diffstat (limited to 'drivers/block')
-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 639d26b90b91..2b9440384536 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;