Container-Optimized OS
TMA-COS-1.1.9
Ensure nodev option set on /home partition
MediaNivel 1Automatizadacos
Descripción
The nodev mount option specifies that the filesystem cannot contain special devices. Since the user partitions are not intended to support devices, set this option to ensure that users cannot attempt to create block or character special devices.
Cómo se verifica
Método de auditoría: Comando de shell
shell
if ! findmnt -kn /home >/dev/null 2>&1; then echo compliant; elif findmnt -kn /home | grep -qw -- nodev; then echo compliant; else echo /home' is mounted without nodev'; fi- Salida esperada
compliant
Cómo se corrige
Método de corrección: Guía o parche de infraestructura
Run the following command to remount /var : # mount -o remount,nodev /home /etc is stateless on Container-Optimized OS. Therefore, /etc cannot be used to make these changes persistent across reboots. The steps mentioned above needs to be performed after every boot.
Propiedades
- Sistemas operativos
- Cualquiera
- Etiquetas
- container-optimized-oscos
- Referencia
- CIS Google Container-Optimized OS Benchmark v1.2.0 - 1.1.9 Ensure nodev option set on /home partition
Verificar este host
Ejecute esto en un equipo que tenga permiso para auditar. El escaneo es de solo lectura.
shell
tmaegis scan --target cos