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Linux distributions

TMA-ROCKY9-1.1.2.2.4

Ensure noexec option set on /dev/shm partition

SrednjaNivo 1Automatskalinux

Opis

The noexec mount option specifies that the filesystem cannot contain executable binaries.

Kako se proverava

Metod provere: Komanda ljuske

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
Očekivani izlaz
compliant

Kako se ispravlja

Metod ispravke: Smernica ili zakrpa infrastrukture

- IF - a separate partition exists for /dev/shm. Edit the /etc/fstab file and add noexec to the fourth field (mounting options) for the /dev/shm partition. Example: tmpfs /dev/shm tmpfs defaults,rw,nosuid,nodev,noexec,relatime 0 0 Run the following command to remount /dev/shm with the configured options: # mount -o remount /dev/shm Note: It is recommended to use tmpfs as the device/filesystem type as /dev/shm is used as shared memory space by applications.

Svojstva

Operativni sistemi
rocky-9
Oznake
cis-convertedfilesystemlinux
Referenca
CIS Rocky Linux 9 Benchmark v3.0.0 - 1.1.2.2.4

Proverite ovaj računar

Pokrenite ovo na računaru za koji imate dozvolu za proveru. Skeniranje radi u režimu samo za čitanje.

shell
tmaegis scan --target linux