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NTAP-20220331-0005 — CVE-2021-3667 Libvirt Vulnerability in NetApp Products

Published 2022-03-31 · Updated 2024-05-09 · Status: Final · Exploitation: Public · Severity: MEDIUM 6.5 · ONTAP affected: Yes

Official advisory: NTAP-20220331-0005 on security.netapp.com ↗. Affected versions, fixed releases, and workarounds live there — this page is a summary.

Product family: ONTAP | ONTAP-relevant | highest CVSS: 6.5

CVEs in this advisory

CVE-2021-3667 — MEDIUM · CVSS 6.5 · site index

What the CVE records say

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.

Impact

Successful exploitation of this vulnerability could lead to Denial of Service (DoS).

Affected products

ONTAP Select Deploy administration utility

Official fixes

ONTAP Select Deploy administration utility — vendor fix ↗

What to do

Check the affected products listed above against the official advisory's affected-versions table — that is where the exact ONTAP 9 release, ONTAP tool, or management product versions are named.
If affected and a fixed release exists, plan the upgrade — see the ONTAP upgrade runbook.
If exploitation is listed as "active", treat remediation as urgent and review exposure (management LIFs, ONTAP S3, SnapMirror endpoints).
Harden in parallel: security hardening baseline and ransomware protection on ONTAP.