Freddie Mac Says May Face SEC Action  LOS ANGELES (Reuters) - Mortgage finance company Freddie  Mac &lt;A HREF="http://www.investor.reuters.com/FullQuote.aspx?ticker=FRE.N target=/stocks/quickinfo/fullquote"&gt;FRE.N&lt;/A&gt; on Wednesday said it may face civil action from the  U.S. Securities and Exchange Commission for possible violations  of securities laws.