Ensure nodev option set on /tmp partition

中等級 1自動化cos

說明

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 .

檢查方式

稽核方法: Shell 指令

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

預期輸出: compliant

修補方式

修補方法: 操作指南或基礎設施修補檔

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.

屬性

作業系統: 不限
標籤: container-optimized-oscos
參考資料: CIS Google Container-Optimized OS Benchmark v1.2.0 - 1.1.3 Ensure nodev option set on /tmp partition

檢查此主機

請在您有權稽核的機器上執行此指令。掃描為唯讀操作。

shell

tmaegis scan --target cos