Ajuda Hibernate Criteria retorna mais registros do que o certo

public class TbFabricanteAutomovel implements Serializable {
    @Transient
    private PropertyChangeSupport changeSupport = new PropertyChangeSupport(this);
    private static final long serialVersionUID = 1L;
    @Id
    @GeneratedValue(strategy=GenerationType.SEQUENCE, generator="db_leilao.tb_fabricante_automovel_seq")
    @Basic(optional = false)
    @Column(name = "cd_fabricante_automovel", nullable = false)
    private Integer cdFabricanteAutomovel;
    @Basic(optional = false)
    @Column(name = "nm_fabricante_automovel", nullable = false, length = 250)
    private String nmFabricanteAutomovel;
    @OneToMany(mappedBy = "cdFabricanteModelo", fetch = FetchType.EAGER)
    private Set<TbModeloAutomovel> tbModeloAutomovelCollection;

@NamedQueries({@NamedQuery(name = "TbModeloAutomovel.findAll", query = "SELECT t FROM TbModeloAutomovel t")})
public class TbModeloAutomovel implements Serializable {
    @Transient
    private PropertyChangeSupport changeSupport = new PropertyChangeSupport(this);
    private static final long serialVersionUID = 1L;
    @Id
    @GeneratedValue(strategy=GenerationType.SEQUENCE, generator="db_leilao.tb_modelo_automovel_seq")
    @Basic(optional = false)
    @Column(name = "cd_modelo_automovel", nullable = false)
    private Integer cdModeloAutomovel;
    @Basic(optional = false)
    @Column(name = "nm_modelo_automovel", nullable = false, length = 250)
    private String nmModeloAutomovel;
    @OneToMany(mappedBy = "cdModeloAutomovel", fetch = FetchType.EAGER)
    private Set<TbAutomovel> tbAutomovelCollection;
    @JoinColumn(name = "cd_fabricante_modelo", referencedColumnName = "cd_fabricante_automovel")
    @ManyToOne(fetch = FetchType.EAGER)
    private TbFabricanteAutomovel cdFabricanteModelo;

public List<TbModeloAutomovel> getModelosFromFabricante(TbFabricanteAutomovel fabricanteAutomovel) {
        DetachedCriteria criteria = DetachedCriteria.forClass(TbModeloAutomovel.class);
        criteria.add(Expression.eq("cdFabricanteModelo", fabricanteAutomovel));
        return hibernateTemplate.findByCriteria(criteria);

    }