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NTAP-20260911-0019 — CVE-2026-23066 Linux Kernel Vulnerability in NetApp Products
Published 2026-09-11 · Updated 2026-09-24 · Status: Interim · Exploitation: Public · Severity: not scored · ONTAP affected: Yes
Official advisory: NTAP-20260911-0019 on security.netapp.com ↗. Affected versions, fixed releases, and workarounds live there — this page is a summary.
Product family: ONTAP · NetApp Console / BlueXP | ONTAP-relevant
CVEs in this advisory
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
- ONTAP tools for VMware vSphere 10
- NetApp Console Agent OVA
Official fixes
- ONTAP tools for VMware vSphere 10 — vendor fix ↗
References
- https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=2c28769a51deb6022d7fbd49 ↗
- https://lore.kernel.org/linux-cve-announce/2026020416-CVE-2026-23066-8e44@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.
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 2026