5.7.2 Ensure that the seccomp profile is set to docker/default in your pod definitions

Information

Enable docker/default seccomp profile in your pod definitions.

Rationale:

Seccomp (secure computing mode) is used to restrict the set of system calls applications can make, allowing cluster administrators greater control over the security of workloads running in the cluster. Kubernetes disables seccomp profiles by default for historical reasons. You should enable it to ensure that the workloads have restricted actions available within the container.

Impact:

If the docker/default seccomp profile is too restrictive for you, you would have to create/manage your own seccomp profiles.

Solution

Use security context to enable the docker/default seccomp profile in your pod definitions. An example is as below:

securityContext:
seccompProfile:
type: RuntimeDefault

Default Value:

By default, seccomp profile is set to unconfined which means that no seccomp profiles are enabled.

See Also

https://workbench.cisecurity.org/files/4111

Item Details

Category: CONFIGURATION MANAGEMENT

References: 800-53|CM-6, 800-53|CM-7, CSCv7|5.2

Plugin: Unix

Control ID: 51b6017fe3fcdd5ce114608453d42ea8df1853c58a270958bf6aad7140ab2f4a