According to note 2177857 IBM will provide tool to identify affected indexes - i don't have access to APAR database but realized that both APAR were updated on 25.06:
IBM IT08816: INCORRECT RESULTS FROM SORT OPERATIONS ON DB2 VERSION 9.7.0.10 - United States
IBM IT09073: INCORRECT RESULTS FROM SORT OPERATIONS ON DB2 VERSION 10.5.0.5 - United States
http://service.sap.com/sap/support/notes/2177857
Can anyone confirm if this tool is already available ?
It's nightmare to manually identyfy all rebuilded indexes for last few months 
Regards
Marcin