STIGQter: STIG Summary: Canonical Ubuntu 22.04 LTS Security Technical Implementation Guide Version: 2 Release: 9 Benchmark Date: 01 Jul 2026:

Ubuntu 22.04 LTS must not have the nfs-kernel-server package installed.

DISA Rule

SV-279937r1208676_rule

Vulnerability Number

V-279937

Group Title

SRG-OS-000095-GPOS-00049

Rule Version

UBTU-22-215040

Severity

CAT II

CCI(s)

• CCI-000381 - Configure the system to provide only organization-defined mission essential capabilities.

Weight

10

Fix Recommendation

Configure the Ubuntu operating system to disable nonessential capabilities by removing the nfs-kernel-server package from the system with the following commands:

Remove packages if present:
$ sudo apt purge --yes nfs-kernel-server

Remove any unneeded dependencies:
$ sudo apt autoremove --yes

Verify that NFS services are gone:
$ sudo systemctl list-units --type=service | grep nfs

Check Contents

Note: If NFS mounts are authorized and in use on the system, this control is not applicable.

Verify that Ubuntu does not have the nfs-kernel-server package installed.

Determine if packages are installed:
$ sudo dpkg -l | grep -E 'nfs-kernel-server'

If the nfs-kernel-server package is installed, this is a finding.

Vulnerability Number

V-279937

Documentable

False

Rule Version

UBTU-22-215040

Severity Override Guidance

Note: If NFS mounts are authorized and in use on the system, this control is not applicable.

Verify that Ubuntu does not have the nfs-kernel-server package installed.

Determine if packages are installed:
$ sudo dpkg -l | grep -E 'nfs-kernel-server'

If the nfs-kernel-server package is installed, this is a finding.

Check Content Reference

M

Target Key

5594