Linux distributions
TMA-UBUNTU2004-3.2.3
Ensure rds kernel module is not available
Descripción
The Reliable Datagram Sockets (RDS) protocol is a transport layer protocol designed to provide low-latency, high-bandwidth communications between cluster nodes. It was developed by the Oracle Corporation.
Cómo se verifica
Método de auditoría: Comando de shell
m=rds; found=$(find /lib/modules/$(uname -r)/kernel /usr/lib/modules/$(uname -r)/kernel -path "*/rds*" 2>/dev/null | head -n1); if [ -z "$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- Salida esperada
compliant
Cómo se corrige
Método de corrección: Guía o parche de infraestructura
Run the following to unload and disable the rds kernel module. This can also be done by running the script included below. Run the following commands to unload the rds kernel module: # modprobe -r rds 2>/dev/null # rmmod rds 2>/dev/null Perform the following to disable the rds kernel module: Create a file ending in .conf with install rds /bin/false in the /etc/modprobe.d/ directory Example: # printf '\n%s\n' "install rds /bin/false" >> rds.conf Create a file ending in .conf with blacklist rds in the /etc/modprobe.d/ directory Example: # printf '\n%s\n' "blacklist rds" >> rds.conf Optional remediation script: This script will perform the above remediation as required by the system #!/usr/bin/…
Propiedades
- Sistemas operativos
- ubuntu-20.04
- Etiquetas
- cis-convertedkernellinuxmodules
- Referencia
- CIS Ubuntu Linux 20.04 LTS Benchmark v3.0.0 - 3.2.3
Verificar este host
Ejecute esto en un equipo que tenga permiso para auditar. El escaneo es de solo lectura.
tmaegis scan --target linux --level 2