---
title: "CVE-2026-89971: Linux Kernel NVMe - Denial of Service"
description: "Linux kernel NVMe subsystem contains a vulnerability in zone info update caused by improper handling of positive NVMe status codes in nvme_query_zone_info(), letting attackers cause invalid zone size processing and potential kernel errors, exploit requires a device or firmware that fails the Identify Namespace command."
url: https://panop.io/threat-heartbeat/CVE-2026-89971/
---

# CVE-2026-89971 Linux Kernel NVMe - Denial of Service

Linux kernel NVMe subsystem contains a vulnerability in zone info update caused by improper handling of positive NVMe status codes in nvme\_query\_zone\_info(), letting attackers cause invalid zone size processing and potential kernel errors, exploit requires a device or firmware that fails the Identify Namespace command.

CVSS base score 7.5 /10

High

CISA KEV

Not listed

Public exploit

None known

EPSS

0.60% chance of exploitation in 30 days

[View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-89971)

## Details

Type

Denial of Service

Impact

Denial Of Service

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Published

16 September 2026

Updated

15 October 2026

## Vendor fix

Update to the latest Linux kernel version containing the fix for nvme zone info update handling.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

## References

- [https://nvd.nist.gov/vuln/detail/CVE-2026-89971](https://nvd.nist.gov/vuln/detail/CVE-2026-89971)
- [https://git.kernel.org/stable/c/3838e80fcfb32e62baffb63c6dc0a60153665a4d](https://git.kernel.org/stable/c/3838e80fcfb32e62baffb63c6dc0a60153665a4d)
- [https://git.kernel.org/stable/c/7fad53ae2052a2b4fc7ca567d6555bdb1176ba35](https://git.kernel.org/stable/c/7fad53ae2052a2b4fc7ca567d6555bdb1176ba35)
- [https://git.kernel.org/stable/c/bb6dafa79040357cf5043836e1db108c2af8b1e1](https://git.kernel.org/stable/c/bb6dafa79040357cf5043836e1db108c2af8b1e1)
- [https://git.kernel.org/stable/c/a75258e651d91ec25424cd94d824d192c11ccc24](https://git.kernel.org/stable/c/a75258e651d91ec25424cd94d824d192c11ccc24)

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## What this record can't tell you

- Whether you run the affected software, and where
- Whether an attacker can actually reach and exploit it
- The misconfigurations that never get a CVE number
- What it would cost the business, ranked into what to fix first

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