Linux distributions
TMA-SLES16-1.1.1.8
Ensure squashfs kernel module is not available
Beschreibung
The squashfs filesystem type is a compressed read-only Linux filesystem embedded in small footprint systems. A squashfs image can be used without having to first decompress the image.
So wird geprüft
Prüfmethode: Shell-Befehl
m=squashfs; found=$(find /lib/modules/$(uname -r)/kernel /usr/lib/modules/$(uname -r)/kernel -path "*/squashfs*" 2>/dev/null | head -n1); if [ -z "$found" ]; then echo compliant; exit 0; fi; lsmod | awk '{print $1}' | grep -Fxq -- "${m//-/_}" && { echo "$m is loaded"; exit 0; }; cfg=$(modprobe --showconfig 2>/dev/null); printf '%s\n' "$cfg" | grep -Pq -- "^\h*blacklist\h+${m//-/_}\b" || { echo "$m is not blacklisted"; exit 0; }; printf '%s\n' "$cfg" | grep -Pq -- "^\h*install\h+${m//-/_}\h+(/usr)?/bin/(true|false)\b" || { echo "$m install is not disabled"; exit 0; }; echo compliant- Erwartete Ausgabe
compliant
So wird behoben
Behebungsmethode: Anleitung oder Infrastruktur-Patch
Unload and disable the squashfs kernel module. 1. Run the following commands to unload the squashfs kernel module: # modprobe -r squashfs 2>/dev/null # rmmod squashfs 2>/dev/null 2. Perform the following to disable the squashfs kernel module: Create a file ending in .conf with install squashfs /bin/false in the /etc/modprobe.d/ directory. Example: # printf '%s\n' "" "install squashfs /bin/false" >> /etc/modprobe.d/60- squashfs.conf Create a file ending in .conf with blacklist squashfs in the /etc/modprobe.d/ directory. Example: # printf '%s\n' "" "blacklist squashfs" >> /etc/modprobe.d/60-squashfs.conf
Eigenschaften
- Betriebssysteme
- sles-16
- Tags
- cis-convertedkernellinuxmodules
- Referenz
- CIS SUSE Linux Enterprise 16 Benchmark v1.0.0 - 1.1.1.8
Diesen Host prüfen
Führen Sie dies auf einem Rechner aus, den Sie prüfen dürfen. Der Scan ist schreibgeschützt.
tmaegis scan --target linux --level 2