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TMA-UBUNTU2004-3.2.2

Ensure tipc kernel module is not available

DüşükDüzey 2Otomatiklinux

Açıklama

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

Nasıl denetlenir

Denetim yöntemi: Kabuk komutu

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
Beklenen çıktı
compliant

Nasıl düzeltilir

Düzeltme yöntemi: Kılavuz veya altyapı yaması

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" >> tipc.conf Create a file ending in .conf with blacklist tipc in the /etc/modprobe.d/ directory Example: # printf '\n%s\n' "blacklist tipc" >> tipc.conf Optional remediation script: This script will perform the above remediation as required by the system …

Özellikler

İşletim sistemleri
ubuntu-20.04
Etiketler
cis-convertedkernellinuxmodules
Referans
CIS Ubuntu Linux 20.04 LTS Benchmark v3.0.0 - 3.2.2

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shell
tmaegis scan --target linux --level 2