---
id: CVE-2026-98409
title: |-
  In the Linux kernel, the following vulnerability has been resolved:

  watchdog: rtd119x: Avoid division by zero

  clk_get_rate() could return 0
summary: |-
  In the Linux kernel, the following vulnerability has been resolved:

  watchdog: rtd119x: Avoid division by zero

  clk_get_rate() could return 0.  Avoid a division by zero panic.
severity: medium
published: '2026-10-14'
updated: '2026-10-14'
sourceUpdated: '2026-10-14T14:17:52.100'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-98409'
references:
  - url: 'https://git.kernel.org/stable/c/1f22001b34984350844d629862f70934770cb796'
    label: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
  - url: 'https://git.kernel.org/stable/c/5af7d2cbd20f893def03c8310a460ade66a5d822'
    label: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
  - url: 'https://git.kernel.org/stable/c/757c721545b9ffac5c3042a0cd3685ea28af7e81'
    label: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
  - url: 'https://git.kernel.org/stable/c/8a12e049d517d7dee78500633f8f0e47262a67e0'
    label: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
  - url: 'https://git.kernel.org/stable/c/b4ede87765a2e58ca4f18f5f8037c4826b9cc93f'
    label: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
  - url: >-
      https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-98409.json
  - url: 'https://access.redhat.com/security/cve/CVE-2026-98409'
  - url: 'https://bugzilla.redhat.com/show_bug.cgi?id=2552225'
  - url: 'https://www.cve.org/CVERecord?id=CVE-2026-98409'
  - url: 'https://nvd.nist.gov/vuln/detail/CVE-2026-98409'
  - url: >-
      https://git.kernel.org/pub/scm/linux/security/vulns.git/plain/cve/published/2026/CVE-2026-98409.mbox
tags:
  - nvd
  - cve.org
  - csaf
  - vex
  - red-hat
ingestedAt: '2026-10-14T15:36:13.983Z'
vendor: Linux
product: Linux
affected:
  - >-
    Linux >= 2bdf6acbfead7e9aa69f36ee5682d1e5c8f70367 <
    757c721545b9ffac5c3042a0cd3685ea28af7e81
  - >-
    Linux >= 2bdf6acbfead7e9aa69f36ee5682d1e5c8f70367 <
    1f22001b34984350844d629862f70934770cb796
  - >-
    Linux >= 2bdf6acbfead7e9aa69f36ee5682d1e5c8f70367 <
    b4ede87765a2e58ca4f18f5f8037c4826b9cc93f
  - >-
    Linux >= 2bdf6acbfead7e9aa69f36ee5682d1e5c8f70367 <
    8a12e049d517d7dee78500633f8f0e47262a67e0
  - >-
    Linux >= 2bdf6acbfead7e9aa69f36ee5682d1e5c8f70367 <
    5af7d2cbd20f893def03c8310a460ade66a5d822
  - Linux 4.16
cvss: 5.5
cvssVector: 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H'
cvssSource: vendor
cwe:
  - CWE-369
epss: 0.00206
epssPercentile: 0.10484
---

## Overview

In the Linux kernel, the following vulnerability has been resolved:

watchdog: rtd119x: Avoid division by zero

clk_get_rate() could return 0.  Avoid a division by zero panic.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.

## Vendor advisories

- **Red Hat VEX** · Moderate · updated 2026-10-16 · [vex](https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-98409.json)