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NTAP-20180815-0003 — CVE-2018-5390 Linux Kernel Denial of Service (DoS) Vulnerability in NetApp Products
Published 2018-08-15 · Updated 2021-10-19 · Status: Final · Exploitation: Public · Severity: HIGH 7.5 · ONTAP affected: Yes
Official advisory: NTAP-20180815-0003 on security.netapp.com ↗. Affected versions, fixed releases, and workarounds live there — this page is a summary.
Product family: Active IQ Unified Manager · ONTAP · Cloud Backup / AltaVault / SteelStore · SolidFire / NetApp HCI · Other NetApp products · StorageGRID | ONTAP-relevant | highest CVSS: 7.5
CVEs in this advisory
- CVE-2018-5390 — HIGH · CVSS 7.5 · site index
What the CVE records say
CVE-2018-5390 — Linux kernel versions 4.9+ can be forced to make very expensive calls to tcp_collapse_ofo_queue() and tcp_prune_ofo_queue() for every incoming packet which can lead to a denial of service.
Impact
Successful exploitation of this vulnerability may allow a remote attacker cause Denial of Service (DoS).
Affected products
- Active IQ Unified Manager for VMware vSphere
- Data ONTAP Edge
- NetApp Cloud Backup (formerly AltaVault)
- NetApp SolidFire & HCI Management Node
- NetApp SteelStore Cloud Integrated Storage
- NetApp VASA Provider for Clustered Data ONTAP 9.7 and above
- SnapProtect
- StorageGRID (formerly StorageGRID Webscale)
- Virtual Storage Console for VMware vSphere 9.7 and above
Official fixes
- Virtual Storage Console for VMware vSphere 9.7 and above — vendor fix ↗
- Active IQ Unified Manager for VMware vSphere — vendor fix ↗
- StorageGRID (formerly StorageGRID Webscale) — vendor fix ↗
- NetApp VASA Provider for Clustered Data ONTAP 9.7 and above — vendor fix ↗
- NetApp SolidFire & HCI Management Node — vendor fix ↗
- NetApp SolidFire & HCI Management Node — vendor fix ↗
- NetApp Cloud Backup (formerly AltaVault) — vendor fix ↗
References
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.
Related reading
- Common ONTAP problems (FAQ) — plain-language symptoms and fixes
- ONTAP security hardening — baseline lockdown guidance
- Ransomware protection on ONTAP — SnapLock, SnapMirror vaulting, Anomaly Detection
- ONTAP error messages index — EMS/WAFL/NFS/SnapMirror messages
- Every NetApp advisory published in 2018