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NTAP-20210706-0006 — CVE-2021-3559 Libvirt Vulnerability in NetApp Products

Published 2021-07-06 · Updated 2024-05-01 · Status: Final · Exploitation: Public · Severity: MEDIUM 6.5 · ONTAP affected: Yes

Official advisory: NTAP-20210706-0006 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-2021-3559 — MEDIUM · CVSS 6.5 · site index

What the CVE records say

CVE-2021-3559 — A flaw was found in libvirt in the virConnectListAllNodeDevices API in versions before 7.0.0. It only affects hosts with a PCI device and driver that supports mediated devices (e.g., GRID driver). This flaw could be used by an unprivileged client with a read-only connection to crash the libvirt daemon by executing the 'nodedev-list' virsh command. 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 ↗

References

https://bugzilla.redhat.com/show_bug.cgi?id=1962306 ↗

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.