STIGQter: STIG Summary: Tri-Lab Operating System Stack (TOSS) 5 Security Technical Implementation Guide Version: 1 Release: 1 Benchmark Date: 26 Mar 2026:

TOSS 5 library files must be group-owned by root or a system account.

DISA Rule

SV-282541r1201321_rule

Vulnerability Number

V-282541

Group Title

SRG-OS-000259-GPOS-00100

Rule Version

TOSS-05-000178

Severity

CAT II

CCI(s)

• CCI-001499 - Limit privileges to change software resident within software libraries.

Weight

10

Fix Recommendation

Configure the systemwide shared library files (/lib, /lib64, /usr/lib and /usr/lib64) to be protected from unauthorized access.

Run the following command, replacing "[FILE]" with any library file not group-owned by "root".

$ sudo chgrp root [FILE]

Check Contents

Verify the systemwide shared library files are group-owned by "root" with the following command:

$ sudo find -L /lib /lib64 /usr/lib /usr/lib64 ! -group root -exec ls -l {} \;

If any systemwide shared library file is returned and is not group-owned by a required system account, and is not documented with the information system security officer (ISSO) as an operational requirement, this is a finding.

Vulnerability Number

V-282541

Documentable

False

Rule Version

TOSS-05-000178

Severity Override Guidance

Verify the systemwide shared library files are group-owned by "root" with the following command:

$ sudo find -L /lib /lib64 /usr/lib /usr/lib64 ! -group root -exec ls -l {} \;

If any systemwide shared library file is returned and is not group-owned by a required system account, and is not documented with the information system security officer (ISSO) as an operational requirement, this is a finding.

Check Content Reference

M

Target Key

5738