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

The SUSE Linux Enterprise Server v11 for System z Security Technical Implementation Guide (V1 R12) has 550 STIG checks. New to STIG checklists? Read What is a STIG checklist?, CKL vs CKLB, and STIG vs SCAP benchmark.

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Severity

Version

V1 · R12

CurrentPublished Fri Oct 26 2018

The Linux NFS Server must not have the insecure file locking option.

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

Assessment Title

Rule Text

The Linux NFS Server must not have the insecure file locking option.

Description

Discussion Text

Insecure file locking could allow for sensitive data to be viewed or edited by an unauthorized user.

New to STIG checklists? Read What is a STIG checklist? and CKL vs CKLB.

Objective

V-4339

Rule

SV-44658r1_rule

Severity

high

Rule Version

GEN000000-LNX00560

Documentable

false

IA Controls

NIST SP 800-53

Rev 5

Assessment Procedure

Check Text

Determine if an NFS server is running on the system by:

# ps -ef |grep nfsd

If an NFS server is running, confirm it is not configured with the insecure_locks option by:

# exportfs -v

The example below would be a finding:

/misc/export speedy.example.com(rw,insecure_locks)

Implementation Procedure

Fix Text

Remove the "insecure_locks" option from all NFS exports on the system.

STIG check 379 of 550 in the SUSE Linux Enterprise Server v11 for System z STIG checklist

← Previous · V-4336The /etc/sysctl.conf file must have mode 0600 or less permissive.Next · V-4346 →The Linux PAM system must not grant sole access to admin privileges to the first user who logs into the console.