SLEM 5 file integrity tool must be configured to verify Access Control Lists (ACLs).

ACLs can provide permissions beyond those permitted through the file mode and must be verified by file integrity tools.

Verify that SLEM 5 file integrity tool is configured to verify extended attributes.

     > sudo grep acl /etc/aide.conf
     All= p+i+n+u+g+s+m+S+sha512+acl+xattrs+selinux

If the "acl" rule is not being used on all selection lines in the "/etc/aide.conf" file, or extended attributes are not being checked by another file integrity tool, this is a finding.

Configure SLEM 5 file integrity tool to check file and directory ACLs.

If AIDE is installed, ensure the "acl" rule is present on all file and directory selection lists.