GEN000000-LNX001431 - The /etc/gshadow file must be owned by root.

Information

The /etc/gshadow file is critical to system security and must be owned by a privileged user. The /etc/gshadow file contains a list of system groups and hashes for group passwords.

Solution

Change the owner of the /etc/gshadow file to root.
# chown root /etc/gshadow

See Also

http://iasecontent.disa.mil/stigs/zip/U_RedHat_5_V1R18_STIG.zip