Ensure /dev/shm is tmpfs or a separate partition

How it is checked

Audit method: Shell command

if findmnt -kn /dev/shm >/dev/null 2>&1; then echo compliant; else echo /dev/shm' is not a separate partition'; fi

Expected output

compliant

How it is fixed

Fix method: Guidance or infrastructure patch

For specific configuration requirements of the /dev/shm mount for your environment, modify /etc/fstab. Example: tmpfs /dev/shm tmpfs defaults,rw,nosuid,nodev,noexec,relatime,size=2G 0 0

Check this host

Run this on a machine you are allowed to audit. The scan is read-only.

tmaegis scan --target linux