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authorVasiliy Kulikov <segooon@gmail.com>2010-10-30 18:26:26 +0400
committerGustavo F. Padovan <padovan@profusion.mobi>2010-12-02 02:04:35 +0300
commit3185fbd9d7bb166992f072440b3329f58bf2c60a (patch)
tree30f70ab76f2053f678d39dff3852a4ea0186825e /net/bluetooth/cmtp
parent5520d20f68310fc158dcbbecfd5eac5cdfc5a241 (diff)
downloadlinux-3185fbd9d7bb166992f072440b3329f58bf2c60a.tar.xz
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 <segooon@gmail.com> Acked-by: Marcel Holtmann <marcel@holtmann.org> Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>
Diffstat (limited to 'net/bluetooth/cmtp')
-rw-r--r--net/bluetooth/cmtp/core.c1
1 files changed, 1 insertions, 0 deletions
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;