Azure Container Linux
TMA-AZURE-CONTAINER-LINUX-3.1.2
Ensure tipc kernel module is not available
Deskripsi
The Transparent Inter-Process Communication (TIPC) protocol is designed to provide communication between cluster nodes.
Cara pemeriksaan
Metode audit: Perintah shell
m=tipc; found=$(find /lib/modules/$(uname -r)/kernel /usr/lib/modules/$(uname -r)/kernel -path "*/tipc*" 2>/dev/null | head -n1); if [ -z "$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- Output yang diharapkan
compliant
Cara perbaikan
Metode perbaikan: Panduan atau patch infrastruktur
Run the following to unload and disable the tipc kernel module. This can also be done by running the script included below. Run the following commands to unload the tipc kernel module: # modprobe -r tipc 2>/dev/null # rmmod tipc 2>/dev/null Perform the following to disable the tipc kernel module: Create a file ending in .conf with install tipc /bin/false in the /etc/modprobe.d/ directory Example: # printf '\n%s\n' "install tipc /bin/false" >> /etc/modprobe.d/tipc.conf Create a file ending in .conf with blacklist tipc in the /etc/modprobe.d/ directory Example: # printf '\n%s\n' "blacklist tipc" >> /etc/modprobe.d/tipc.conf
Properti
- Sistem operasi
- Apa saja
- Tag
- azure-container-linuxcis-convertedkernelmodules
- Referensi
- CIS Azure Container Linux Benchmark v1.0.0 - 3.1.2 Ensure tipc kernel module is not available
Periksa host ini
Jalankan ini pada mesin yang diizinkan untuk Anda audit. Pemindaian bersifat hanya baca.
tmaegis scan --target azure-container-linux --level 2