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NTAP-20250103-0010 — CVE-2017-18017 Linux Kernel Vulnerability in NetApp Products

Published 2025-01-03 · Updated 2026-06-08 · Status: Interim · Exploitation: Public · Severity: CRITICAL 9.8 · ONTAP affected: Yes

Official advisory: NTAP-20250103-0010 on security.netapp.com ↗. Affected versions, fixed releases, and workarounds live there — this page is a summary.

Product family: Brocade SAN firmware · Baseboard management controllers · SolidFire / NetApp HCI · ONTAP | ONTAP-relevant | highest CVSS: 9.8

CVEs in this advisory

CVE-2017-18017 — CRITICAL · CVSS 9.8 · site index

What the CVE records say

CVE-2017-18017 — The tcpmss_mangle_packet function in net/netfilter/xt_TCPMSS.c in the Linux kernel before 4.11, and 4.9.x before 4.9.36, allows remote attackers to cause a denial of service (use-after-free and memory corruption) or possibly have unspecified other impact by leveraging the presence of xt_TCPMSS in an iptables action.

Impact

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

Affected products

Brocade Fabric Operating System Firmware
FAS/AFF Baseboard Management Controller (BMC) - A320
NetApp HCI Baseboard Management Controller (BMC) - H300S/H500S/H700S/H410S
NetApp HCI Baseboard Management Controller (BMC) - H410C
NetApp HCI Compute Node (Bootstrap OS)
ONTAP Select Deploy administration utility
ONTAP tools for VMware vSphere 10

Official fixes

ONTAP Select Deploy administration utility — vendor fix ↗
ONTAP tools for VMware vSphere 10 — 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.