Vulnerability Details : CVE-2021-3667

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.
Published 2022-03-02 23:15:09
Updated 2024-04-01 13:16:46
Source Red Hat, Inc.
View at NVD,   CVE.org
Vulnerability category: Denial of service

Products affected by CVE-2021-3667

Exploit prediction scoring system (EPSS) score for CVE-2021-3667

EPSS FAQ
0.28%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 68 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2021-3667

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
3.5
 LOW AV:N/AC:M/Au:S/C:N/I:N/A:P
6.8
2.9
 NIST
6.5
 MEDIUM CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
2.8
3.6
 NIST

CWE ids for CVE-2021-3667

  • The product does not properly acquire or release a lock on a resource, leading to unexpected resource state changes and behaviors.
    Assigned by:
    • nvd@nist.gov (Secondary)
    • secalert@redhat.com (Primary)

References for CVE-2021-3667

Jump to
This web site uses cookies for managing your session, storing preferences, website analytics and additional purposes described in our privacy policy.
By using this web site you are agreeing to CVEdetails.com terms of use!
Accept Close