---
id: CVE-2026-97970
title: |-
  In the Linux kernel, the following vulnerability has been resolved:

  watchdog: msc313e: Avoid division by zero

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

  watchdog: msc313e: Avoid division by zero

  clk_get_rate() could return 0.  Avoid a division by zero panic.
severity: medium
cvss: 5.5
cvssVector: 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H'
cwe:
  - CWE-369
vendor: Linux
product: Linux
affected:
  - >-
    Linux >= e9800b7994642a794afd4894f072541c14277ce8 <
    5168267d5ae6f26f751512003df4263ae91ee3f0
  - >-
    Linux >= e9800b7994642a794afd4894f072541c14277ce8 <
    db900bc7c0739e5505a84bebb1bff2c3f67860e3
  - >-
    Linux >= e9800b7994642a794afd4894f072541c14277ce8 <
    660571b082331d250fbcef92363e15b38d107520
  - >-
    Linux >= e9800b7994642a794afd4894f072541c14277ce8 <
    3ae8eb30f8a0a839bf36fa62e4201ac99946447f
  - >-
    Linux >= e9800b7994642a794afd4894f072541c14277ce8 <
    47eae41c630b9d2ce16a528a1517d4d2f857cd47
  - >-
    Linux >= e9800b7994642a794afd4894f072541c14277ce8 <
    5788a6747eda85051838628b40c430ec6343f3c6
  - >-
    Linux >= e9800b7994642a794afd4894f072541c14277ce8 <
    3c73a37f5e40972ce26d8eeb98e8b938d719b069
  - Linux 5.14
published: '2026-09-25'
updated: '2026-10-03'
sourceUpdated: '2026-10-03T11:18:21.710'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-97970'
references:
  - url: 'https://git.kernel.org/stable/c/3ae8eb30f8a0a839bf36fa62e4201ac99946447f'
    label: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
  - url: 'https://git.kernel.org/stable/c/3c73a37f5e40972ce26d8eeb98e8b938d719b069'
    label: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
  - url: 'https://git.kernel.org/stable/c/47eae41c630b9d2ce16a528a1517d4d2f857cd47'
    label: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
  - url: 'https://git.kernel.org/stable/c/5168267d5ae6f26f751512003df4263ae91ee3f0'
    label: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
  - url: 'https://git.kernel.org/stable/c/5788a6747eda85051838628b40c430ec6343f3c6'
    label: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
  - url: 'https://git.kernel.org/stable/c/660571b082331d250fbcef92363e15b38d107520'
    label: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
  - url: 'https://git.kernel.org/stable/c/db900bc7c0739e5505a84bebb1bff2c3f67860e3'
    label: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
  - url: >-
      https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-97970.json
  - url: 'https://access.redhat.com/security/cve/CVE-2026-97970'
  - url: 'https://bugzilla.redhat.com/show_bug.cgi?id=2541273'
  - url: 'https://www.cve.org/CVERecord?id=CVE-2026-97970'
  - url: 'https://nvd.nist.gov/vuln/detail/CVE-2026-97970'
  - url: >-
      https://git.kernel.org/pub/scm/linux/security/vulns.git/plain/cve/published/2026/CVE-2026-97970.mbox
tags:
  - nvd
  - cve.org
  - csaf
  - vex
  - red-hat
epss: 0.00172
epssPercentile: 0.06597
cvssSource: vendor
ingestedAt: '2026-09-25T11:06:38.871Z'
---

## Overview

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

watchdog: msc313e: 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 2026-09-30 · [vex](https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-97970.json)