Vulnerability Database

289,599

Total vulnerabilities in the database

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: Mar 3, 2022
  • Updated: Apr 14, 2023
  • CVE: CVE-2021-3667
  • Severity: Medium
  • Exploit:

CVSS v3:

  • Severity: Medium
  • Score: 6.5
  • AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

CVSS v2:

  • Severity: Low
  • Score: 3.5
  • AV:N/AC:M/Au:S/C:N/I:N/A:P

CWEs:

Software From Fixed in
redhat / enterprise_linux 8.0 8.0.x
redhat / libvirt 4.1.0 7.5.0.x
debian / debian_linux 10.0 10.0.x