CyberRota Analysis
This is a medium severity vulnerability with a CVSS score of 6.5. It may lead to a denial-of-service condition.
CVE
CVE-2021-3667
Severity
MEDIUM
CVSS
6.5
EPSS
1.37%
Original NVD Description
An improper locking issue was found in the virStoragePoolLookupByTargetPath API of libvirt. It occurs in the storagePoolLookupByTargetPath function where a locked virStoragePoolObj object is not properly released on ACL permission failure. Clients connecting to the read-write socket with limited ACL permissions could use this flaw to acquire the lock and prevent other users from accessing storage pool/volume APIs, resulting in a denial of service condition. The highest threat from this vulnerability is to system availability.
Related CVEs
Other vulnerabilities affecting the same vendor(s)