STIGQter: STIG Summary: Tri-Lab Operating System Stack (TOSS) 4 Security Technical Implementation Guide Version: 2 Release: 6 Benchmark Date: 01 Jul 2026:

TOSS must limit privileges to change software resident within software libraries.

DISA Rule

SV-253086r991560_rule

Vulnerability Number

V-253086

Group Title

SRG-OS-000259-GPOS-00100

Rule Version

TOSS-04-040340

Severity

CAT II

CCI(s)

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

Weight

Fix Recommendation

Configure the system commands to be protected from unauthorized access.

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

$ sudo chown root [FILE]

Configure the system-wide 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 owned by "root."

$ sudo chown root [FILE]

Check Contents

Verify the system commands contained in the following directories are owned by "root" or an appropriate system account with the following command:

$ sudo find -L /bin /sbin /usr/bin /usr/sbin /usr/local/bin /usr/local/sbin ! -user root -exec ls -l {} \;

If any system commands are returned which are not owned by an appropriate system account, this is a finding.

Verify the system-wide shared library files are owned by "root" or an appropriate system account with the following command:

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

If any system wide shared library file is returned which is not owned by an appropriate system account, this is a finding.

Vulnerability Number

V-253086

Documentable

False

Rule Version

TOSS-04-040340

Severity Override Guidance

Check Content Reference

Target Key

5469