This vulnerability is marked as RESERVED by NVD. This means that the CVE-ID is reserved for future use by the CVE Numbering Authority (CNA) or a security researcher, but the details of it are not yet publicly available yet.
This page will reflect the classification results once they are available through NVD.
Any vendor information available is shown as below.
cri-o: Large /etc/passwd file may lead to Denial of Service
As for now there’s no available mitigation for this flaw.