View the security misconfiguration catalog
  • Misconfiguration Name
  • noexec mount option is enabled for /tmp directory
  • Description
  • Mounting is the attaching of an additional block devices to the currently accessible filesystem of a computer. The /tmp directory directory is used for temporary storage and world-writable, therefore it can be accessed by all users and some applications. Therefore, it is recommended to enable noexec mount option for /tmp directory so that it can't contain any executable binaries.
  • Severity
  • important
  • Category
  • Linux - Mounting Options Security
  • Resolution
  • Follow the below steps to resolve the misconfiguration. Follow the below steps to resolve the misconfiguration. Edit the /etc/fstab file and add noexec to the fourth field (mounting options) for the /tmp partition. Run the following command to remount /tmp : mount -o remount,noexec /tmp
  • Potential issues that may arise after applying the resolution
  • Altering the existing security setting may create the following impact in your network operations.
  • Does remediation require reboot?
  • No