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TMA-ROCKY8-3.2.1

Ensure atm kernel module is not available

보통레벨 1자동linux

설명

The Asynchronous Transfer Mode (ATM) is a protocol operating on network, data link, and physical layers, based on virtual circuits and virtual paths. Disabling ATM protects the system against exploitation of any laws in its implementation.

점검 방법

감사 방식: 셸 명령

shell
m=atm; found=$(find /lib/modules/$(uname -r)/kernel /usr/lib/modules/$(uname -r)/kernel -path "*/atm*" 2>/dev/null | head -n1); if [ -z "$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
예상 출력
compliant

조치 방법

조치 방식: 가이드 또는 인프라 패치

Unload and disable the atm kernel module. 1. Run the following commands to unload the atm kernel module: # modprobe -r atm 2>/dev/null # rmmod can 2>/dev/null 2. Perform the following to disable the atm kernel module: Create a file ending in .conf with install can /bin/false in the /etc/modprobe.d/ directory Example: # printf '\n%s\n' "install atm /bin/false" >> /etc/modprobe.d/60-atm.conf Create a file ending in .conf with blacklist atm in the /etc/modprobe.d/ directory Example: # printf '\n%s\n' "blacklist atm" >> /etc/modprobe.d/60-atm.conf

속성

운영 체제
rocky-8
태그
cis-convertedkernellinuxmodules
참고 자료
CIS Rocky Linux 8 Benchmark v3.0.0 - 3.2.1

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shell
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