Uninstall nfs-kernel-server Package

Description

The nfs-kernel-server package can be removed with the following command:


$ apt-get remove nfs-kernel-server

Rationale

If the system does not export NFS shares or act as an NFS client, it is recommended that these services be removed to reduce the remote attack surface.

Remediation

Shell script

The following script can be run on the host to remediate the issue.

#!/bin/bash

# CAUTION: This remediation script will remove nfs-kernel-server
#	   from the system, and may remove any packages
#	   that depend on nfs-kernel-server. Execute this
#	   remediation AFTER testing on a non-production
#	   system!

DEBIAN_FRONTEND=noninteractive apt-get remove -y "nfs-kernel-server"

Ansible playbook

The following playbook can be run with Ansible to remediate the issue.

- name: Ensure nfs-kernel-server is removed
  package:
    name: nfs-kernel-server
    state: absent
  tags:
  - disable_strategy
  - low_complexity
  - low_disruption
  - low_severity
  - no_reboot_needed
  - package_nfs-kernel-server_removed