TMA-COS-1.1.12
Ensure noexec option set on /dev/shm partition
Description
The noexec mount option specifies that the filesystem cannot contain executable binaries. Setting this option on a file system prevents users from executing programs from shared memory. This deters users from introducing potentially malicious software on the system.
Méthode de vérification
Méthode d'audit: Commande shell
if ! findmnt -kn /dev/shm >/dev/null 2>&1; then echo compliant; elif findmnt -kn /dev/shm | grep -qw -- noexec; then echo compliant; else echo /dev/shm' is mounted without noexec'; fi- Sortie attendue
compliant
Méthode de correction
Méthode de correction: Recommandation ou correctif d'infrastructure
Run the following command to remount /dev/shm: # mount -o remount,noexec /dev/shm /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.
Propriétés
- Systèmes d'exploitation
- Tous
- Étiquettes
- container-optimized-oscos
- Référence
- CIS Google Container-Optimized OS Benchmark v1.2.0 - 1.1.12 Ensure noexec option set on /dev/shm partition
Vérifier cet hôte
Exécutez cette commande sur une machine que vous êtes autorisé à auditer. L'analyse est en lecture seule.
tmaegis scan --target cos