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NTAP-20231116-0003 — CVE-2023-44466 Linux Kernel Vulnerability in NetApp Products

Published 2023-11-16 · Updated 2026-03-17 · Status: Interim · Exploitation: Public · Severity: HIGH 8.8 · ONTAP affected: Yes

Official advisory: NTAP-20231116-0003 on security.netapp.com ↗. Affected versions, fixed releases, and workarounds live there — this page is a summary.

Product family: SolidFire / NetApp HCI · ONTAP | ONTAP-relevant | highest CVSS: 8.8

CVEs in this advisory

CVE-2023-44466 — HIGH · CVSS 8.8 · site index

What the CVE records say

CVE-2023-44466 — An issue was discovered in net/ceph/messenger_v2.c in the Linux kernel before 6.4.5. There is an integer signedness error, leading to a buffer overflow and remote code execution via HELLO or one of the AUTH frames. This occurs because of an untrusted length taken from a TCP packet in ceph_decode_32.

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

NetApp HCI Baseboard Management Controller (BMC) - H300S/H500S/H700S/H410S
NetApp HCI Baseboard Management Controller (BMC) - H410C
NetApp HCI Compute Node (Bootstrap OS)
NetApp SolidFire & HCI Management Node
ONTAP Select Deploy administration utility

Official fixes

ONTAP Select Deploy administration utility — vendor fix ↗

References

https://github.com/advisories/GHSA-7wwm-57j8-wx2j ↗

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.