Messages in this thread Patch in this message | | | From | Vasiliy Kulikov <> | Subject | [PATCH 2/2] block: cpqarray: fix information leak to userland | Date | Sat, 23 Oct 2010 12:25:15 +0400 |
| |
Structure ida_pci_info_struct is copied to userland with some padding fields unitialized. It leads to leaking of stack memory.
Signed-off-by: Vasiliy Kulikov <segooon@gmail.com> --- drivers/block/cpqarray.c | 1 + 1 files changed, 1 insertions(+), 0 deletions(-)
diff --git a/drivers/block/cpqarray.c b/drivers/block/cpqarray.c index 946dad4..8e0e6b4 100644 --- a/drivers/block/cpqarray.c +++ b/drivers/block/cpqarray.c @@ -1198,6 +1198,7 @@ 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; -- 1.7.0.4
| |