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TMA-UBUNTU2004-3.2.3

Ensure rds kernel module is not available

낮음레벨 2자동linux

설명

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.

점검 방법

감사 방식: 셸 명령

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
예상 출력
compliant

조치 방법

조치 방식: 가이드 또는 인프라 패치

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/…

속성

운영 체제
ubuntu-20.04
태그
cis-convertedkernellinuxmodules
참고 자료
CIS Ubuntu Linux 20.04 LTS Benchmark v3.0.0 - 3.2.3

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shell
tmaegis scan --target linux --level 2