Can be cosigner fr student loan...plse see details?

filed bk7 2 years ago ..did not incl 2 cr crds. now c/o 1 yr ago..no this does not look good. but have a car loan on crt bureau never late fr 3 years now...cr scr little over 600..cn apply as cosigner fr sons student loan . he will not qualify as he has 2 cr crds on his credit bureau c/o ..not his in dispt with cr bureau ....? help plse respond.