Silas Snider created MESOS-7268:
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             Summary: CNI isolator should mount network related /etc/* files in 
readonly mode
                 Key: MESOS-7268
                 URL: https://issues.apache.org/jira/browse/MESOS-7268
             Project: Mesos
          Issue Type: Bug
          Components: containerization, network
            Reporter: Silas Snider
            Assignee: Silas Snider


The CNI isolator bind mounts, even for containers using host networking, 
several files from /etc, such as resolv.conf. These should be mounted as 
readonly inside the container to prevent users running inside the container as 
root from being able to affect the external machine.



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