Ensure kubevirt seccomp profile file permission is set to 700 or more restrictive

MediaNivel 1Automatizadaopenshift-virt

Descripción

Setting the kubevirt Secure Computing Mode (seccomp) file permissions to 700 or more restrictive limits access to security related administrative functionality to approved administrators. Audit: Passes when the seccomp profile file of every virt-handler pod is mode 700 or more restrictive; a pod where the file does not exist (Secure Computing Mode feature gate not enabled) is not applicable. Requires oc logged in to the cluster with read access.

Cómo se verifica

Método de auditoría: Comando de shell

shell

command -v oc >/dev/null 2>&1 || exit 1; bad=0; n=0; for pod in $(oc get pod -n openshift-cnv -l kubevirt.io=virt-handler --no-headers -o custom-columns=":metadata.name" 2>/dev/null); do n=$((n+1)); m=$(oc exec -n openshift-cnv "$pod" -c virt-handler -- sh -c 'f=/proc/1/root/var/lib/kubelet/seccomp/kubevirt/kubevirt.json; [ -e "$f" ] && stat -c %a "$f" || echo absent' 2>/dev/null); case "$m" in absent) ;; [0-7][0-7][0-7]|[0-7][0-7][0-7][0-7]) [ $((8#$m & 8#077)) -eq 0 ] || bad=1;; *) bad=1;; esac; done; [ "$n" -gt 0 ] || exit 1; [ "$bad" -eq 0 ] && echo compliant || echo noncompliant

Salida esperada: compliant

Cómo se corrige

Método de corrección: Guía o parche de infraestructura

Update the permissions on each node using chmod : $ oc exec <virt-handler-pod> -ti -n openshift-cnv -- chmod 700 /proc/1/root/var/lib/kubelet/seccomp/kubevirt/kubevirt.json

Propiedades

Sistemas operativos: Cualquiera
Etiquetas: openshift-virtseccompfile-permissions
Referencia: CIS Red Hat OpenShift Virtual Machine Extension Benchmark v1.0.0 - 1.8 Ensure kubevirt seccomp profile file permission is set to 700 or more restrictive

Verificar este host

Ejecute esto en un equipo que tenga permiso para auditar. El escaneo es de solo lectura.

shell

tmaegis scan --target openshift-virt