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NTAP-20260213-0016 — CVE-2025-39973 Linux Kernel Vulnerability in NetApp Products

Published 2026-02-13 · Updated 2026-10-06 · Status: Interim · Exploitation: Public · Severity: HIGH 8.8 · ONTAP affected: Yes

Official advisory: NTAP-20260213-0016 on security.netapp.com ↗. Affected versions, fixed releases, and workarounds live there — this page is a summary.

Product family: Active IQ Unified Manager · ONTAP · NetApp Console / BlueXP · SolidFire / NetApp HCI · SnapCenter | ONTAP-relevant | highest CVSS: 8.8

CVEs in this advisory

CVE-2025-39973 — HIGH · CVSS 8.8 · site index

What the CVE records say

CVE-2025-39973 — In the Linux kernel, the following vulnerability has been resolved: i40e: add validation for ring_len param The `ring_len` parameter provided by the virtual function (VF) is assigned directly to the hardware memory context (HMC) without any validation. To address this, introduce an upper boundary check for both Tx and Rx queue lengths. The maximum number of descriptors supported by the hardware is 8k-32. Additionally, enforce alignment constraints: Tx rings must be a multiple of 8, and Rx rings must be a multiple of 32.

Impact

Successful exploitation of this vulnerability could lead to disclosure of sensitive information, addition or modification of data, Denial of Service (DoS).

Affected products

Active IQ Unified Manager for VMware vSphere
ONTAP Select Deploy administration utility
Cloud Volumes ONTAP Mediator
NetApp Console Agent OVA
NetApp SolidFire & HCI Management Node
NetApp SolidFire & HCI Storage Node (Element Software)
ONTAP tools for VMware vSphere 10
SnapCenter Plug-in for VMware vSphere

Official fixes

ONTAP Select Deploy administration utility — vendor fix ↗

References

https://lore.kernel.org/linux-cve-announce/2025101557-CVE-2025-39973-b1a3@gregkh/T/#u ↗

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.