Vulnerability Monitor

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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

2022-03-02T23:15:08.843

Last Modified

2025-02-10T13:10:12.770

Status

Analyzed

Source

[email protected]

Severity

CVSSv3.1: 6.5 (MEDIUM)

CVSSv2 Vector

AV:N/AC:M/Au:S/C:N/I:N/A:P

  • Access Vector: NETWORK
  • Access Complexity: MEDIUM
  • Authentication: SINGLE
  • Confidentiality Impact: NONE
  • Integrity Impact: NONE
  • Availability Impact: PARTIAL
Exploitability Score

6.8

Impact Score

2.9

Weaknesses
  • Type: Primary
    CWE-667
  • Type: Secondary
    CWE-667
Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Application redhat libvirt ≤ 7.5.0 Yes
Operating System redhat enterprise_linux 8.0 Yes
Application netapp ontap_select_deploy_administration_utility - Yes
Operating System debian debian_linux 10.0 Yes
References