From 3185fbd9d7bb166992f072440b3329f58bf2c60a Mon Sep 17 00:00:00 2001 From: Vasiliy Kulikov Date: Sat, 30 Oct 2010 18:26:26 +0400 Subject: [PATCH] Bluetooth: cmtp: fix information leak to userland Structure cmtp_conninfo is copied to userland with some padding fields unitialized. It leads to leaking of contents of kernel stack memory. Signed-off-by: Vasiliy Kulikov Acked-by: Marcel Holtmann Signed-off-by: Gustavo F. Padovan --- net/bluetooth/cmtp/core.c | 1 + 1 file changed, 1 insertion(+) diff --git a/net/bluetooth/cmtp/core.c b/net/bluetooth/cmtp/core.c index ec0a1347f933..8e5f292529ac 100644 --- a/net/bluetooth/cmtp/core.c +++ b/net/bluetooth/cmtp/core.c @@ -78,6 +78,7 @@ static void __cmtp_unlink_session(struct cmtp_session *session) static void __cmtp_copy_session(struct cmtp_session *session, struct cmtp_conninfo *ci) { + memset(ci, 0, sizeof(*ci)); bacpy(&ci->bdaddr, &session->bdaddr); ci->flags = session->flags; -- 2.39.2