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TMA-ROCKY9-3.2.5

Ensure atm kernel module is not available

中级别 1自动化linux

说明

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.

检查方式

审计方法: Shell 命令

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
预期输出
compliant

修复方式

修复方法: 操作指南或基础设施补丁

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

属性

操作系统
rocky-9
标签
cis-convertedkernellinuxmodules
参考
CIS Rocky Linux 9 Benchmark v3.0.0 - 3.2.5

检查本机

请在您有权审计的机器上运行此命令。扫描为只读操作。

shell
tmaegis scan --target linux