AlmaLinux OS 9 must disable the Asynchronous Transfer Mode (ATM) kernel module.
An XCCDF Rule
Description
The ATM is a transport layer protocol designed for digital transmission of multiple types of traffic, including telephony (voice), data, and video signals, in one network without the use of separate overlay networks. Disabling ATM protects the system against exploitation of any flaws in its implementation.
- ID
- SV-269341r1050223_rule
- Version
- ALMA-09-029610
- Severity
- Medium
- References
- Updated
Remediation Templates
A Manual Procedure
To configure the system to prevent the atm kernel module from being loaded, run the following command:
$ cat << EOF | tee /etc/modprobe.d/atm.conf
install atm /bin/false
blacklist atm
EOF