Check: GEN000000-LNX00560
SUSE Linux Enterprise Server v11 for System z STIG:
GEN000000-LNX00560
(in versions v1 r12 through v1 r9)
Title
The Linux NFS Server must not have the insecure file locking option. (Cat I impact)
Discussion
Insecure file locking could allow for sensitive data to be viewed or edited by an unauthorized user.
Check Content
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)
Fix Text
Remove the "insecure_locks" option from all NFS exports on the system.
Additional Identifiers
Rule ID: SV-44658r1_rule
Vulnerability ID: V-4339
Group Title: GEN000000-LNX00560
Expert Comments
CCIs
| Number | Definition |
|---|---|
| CCI-000225 |
The organization employs the concept of least privilege, allowing only authorized accesses for users (and processes acting on behalf of users) which are necessary to accomplish assigned tasks in accordance with organizational missions and business functions. |
| CCI-000764 |
The information system uniquely identifies and authenticates organizational users (or processes acting on behalf of organizational users). |