public inbox for linux-kernel@vger.kernel.org
 help / color / mirror / Atom feed
* [PATCH v2] wlags49_h2: Fix overflow in wireless_set_essid()
@ 2013-11-27  9:30 Maurizio Lombardi
  0 siblings, 0 replies; 2+ messages in thread
From: Maurizio Lombardi @ 2013-11-27  9:30 UTC (permalink / raw)
  To: pe1dnn; +Cc: linux-kernel, Maurizio Lombardi

This patch prevents the wireless_set_essid() function from overwriting
the last byte of the NetworkName buffer which must be NULL.

Signed-off-by: Maurizio Lombardi <mlombard@redhat.com>
---
 drivers/staging/wlags49_h2/wl_wext.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/staging/wlags49_h2/wl_wext.c b/drivers/staging/wlags49_h2/wl_wext.c
index c731ff2..62ad158 100644
--- a/drivers/staging/wlags49_h2/wl_wext.c
+++ b/drivers/staging/wlags49_h2/wl_wext.c
@@ -1127,7 +1127,7 @@ static int wireless_set_essid(struct net_device *dev, struct iw_request_info *in
 		goto out;
 	}
 
-	if (data->flags != 0 && data->length > HCF_MAX_NAME_LEN + 1) {
+	if (data->flags != 0 && data->length > HCF_MAX_NAME_LEN) {
 		ret = -EINVAL;
 		goto out;
 	}
-- 
1.8.3.1


^ permalink raw reply related	[flat|nested] 2+ messages in thread

end of thread, other threads:[~2013-11-28 19:39 UTC | newest]

Thread overview: 2+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
     [not found] <1385643047-8725-1-git-send-email-mlombard@redhat.com>
2013-11-28 12:52 ` [PATCH v2] wlags49_h2: Fix overflow in wireless_set_essid() Maurizio Lombardi
2013-11-27  9:30 Maurizio Lombardi

This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox