Container-Optimized OS
TMA-COS-1.1.3
Ensure nodev option set on /tmp partition
SedangLevel 1Otomatiscos
Deskripsi
The nodev mount option specifies that the filesystem cannot contain special devices. Since the /tmp filesystem is not intended to support devices, set this option to ensure that users cannot attempt to create block or character special devices in /tmp .
Cara pemeriksaan
Metode audit: Perintah shell
shell
if ! findmnt -kn /tmp >/dev/null 2>&1; then echo compliant; elif findmnt -kn /tmp | grep -qw -- nodev; then echo compliant; else echo /tmp' is mounted without nodev'; fi- Output yang diharapkan
compliant
Cara perbaikan
Metode perbaikan: Panduan atau patch infrastruktur
Run the following command to remount /tmp : # mount -o remount,nodev /tmp /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.
Properti
- Sistem operasi
- Apa saja
- Tag
- container-optimized-oscos
- Referensi
- CIS Google Container-Optimized OS Benchmark v1.2.0 - 1.1.3 Ensure nodev option set on /tmp partition
Periksa host ini
Jalankan ini pada mesin yang diizinkan untuk Anda audit. Pemindaian bersifat hanya baca.
shell
tmaegis scan --target cos