NFS server misconfiguration allows file access outside the exported directory

[Tom Elliott]

https://github.com/FOGProject/fogproject/security/advisories/GHSA-3xjr-xf9v-hwjh

This issue after our initial fix we still allowed some insecure locks. This was reported after the root vulnerability was patched. This addressed in dev-branch and working-1.6

Thanks all.

[Tom Elliott]

This was reported and tested and reported by the github username philipp-tg.

Thank you!