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| author | Salva Peiró <speirofr@gmail.com> | 2015-10-14 17:48:02 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2015-10-16 22:51:40 -0700 |
| commit | 4b6184336ebb5c8dc1eae7f7ab46ee608a748b05 (patch) | |
| tree | e472b34c70ec136c11db09f0d9de2c2a8424c594 /drivers/staging/dgnc | |
| parent | 561e2967346af25aca786df77a339888574caec2 (diff) | |
| download | linux-4b6184336ebb5c8dc1eae7f7ab46ee608a748b05.tar.bz2 | |
staging/dgnc: fix info leak in ioctl
The dgnc_mgmt_ioctl() code fails to initialize the 16 _reserved bytes of
struct digi_dinfo after the ->dinfo_nboards member. Add an explicit
memset(0) before filling the structure to avoid the info leak.
Signed-off-by: Salva Peiró <speirofr@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/staging/dgnc')
| -rw-r--r-- | drivers/staging/dgnc/dgnc_mgmt.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/staging/dgnc/dgnc_mgmt.c b/drivers/staging/dgnc/dgnc_mgmt.c index 9ec3efe0a287..518fbd5e2d0e 100644 --- a/drivers/staging/dgnc/dgnc_mgmt.c +++ b/drivers/staging/dgnc/dgnc_mgmt.c @@ -110,6 +110,7 @@ long dgnc_mgmt_ioctl(struct file *file, unsigned int cmd, unsigned long arg) spin_lock_irqsave(&dgnc_global_lock, flags); + memset(&ddi, 0, sizeof(ddi)); ddi.dinfo_nboards = dgnc_NumBoards; sprintf(ddi.dinfo_version, "%s", DG_PART); |