Asset, Incident and Problem Management

ISO 27001 does not require documentation of asset management and problem management. For Incident management you can take a look at this template: https://advisera.com/27001academy/documentation/incident-management-procedure/

For asset management and problem management, I suggest you take a look at these ISO 20000 templates to see if they can fulfill your needs:

• Asset Management Process (ISO 20000) https://advisera.com/20000academy/documentation/asset-management-process/
• Problem Management Process (ISO 20000) https://advisera.com/20000academy/documentation/problem-management-process-iso-20000/

ISO 20000 Documentation Toolkit also has this template for incident management: https://advisera.com/20000academy/documentation/incident-management-process/