---
- type: replace
  path: /stemcells
  value:
    - alias: default
      os: ubuntu-xenial
      version: "170.12"

---
- type: replace
  path: /stemcells
  value:
    - alias: default
      os: ubuntu-xenial
      version: "170.15"

Update to stemcell 170.15 to cover usn-3840-1
Update to stemcell 170.15 to cover usn-3840-1

The CVE usn-3840-1 [1] affects stemcells prior 170.14. We update
to the latest available stemcell.

[1] https://www.cloudfoundry.org/blog/usn-3840-1/
