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Azure Container Linux

TMA-AZURE-CONTAINER-LINUX-3.1.2

Ensure tipc kernel module is not available

RendahLevel 2Otomatisazure-container-linux

Deskripsi

The Transparent Inter-Process Communication (TIPC) protocol is designed to provide communication between cluster nodes.

Cara pemeriksaan

Metode audit: Perintah shell

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.

shell
tmaegis scan --target azure-container-linux --level 2