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← Back to SUSE Linux Enterprise Server v11 for System z Security Technical Implementation Guide

V-22596

CAT II (Medium)

The /etc/sysctl.conf file must not have an extended ACL.

Rule ID

SV-44758r1_rule

STIG

SUSE Linux Enterprise Server v11 for System z Security Technical Implementation Guide

Version

V1R12

CCIs

CCI-000225

Discussion

The sysctl.conf file specifies the values for kernel parameters to be set on boot. These settings can affect the system's security.

Check Content

Check the permissions of the file.
# ls -lLd /etc/sysctl.conf
If the permissions of the file or directory contains a '+', an extended ACL is present. If the file has an extended ACL and it has not been documented with the IAO, this is a finding.

Fix Text

Remove the extended ACL from the file.
# setfacl --remove-all /etc/sysctl.conf