Bluetooth: bnep: fix information leak to userland
Structure bnep_conninfo is copied to userland with the field "device" that has the last elements 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>
This commit is contained in:
parent
127178d24c
commit
5520d20f68
|
@ -648,6 +648,7 @@ int bnep_del_connection(struct bnep_conndel_req *req)
|
|||
|
||||
static void __bnep_copy_ci(struct bnep_conninfo *ci, struct bnep_session *s)
|
||||
{
|
||||
memset(ci, 0, sizeof(*ci));
|
||||
memcpy(ci->dst, s->eh.h_source, ETH_ALEN);
|
||||
strcpy(ci->device, s->dev->name);
|
||||
ci->flags = s->flags;
|
||||
|
|
Loading…
Reference in a new issue