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VulnerabilityPublished Updated

CVE-2026-98408: Linux kernel · watchdog: rzv2h: Avoid division by zero

Affects Linux kernelSource CVE Database V5

0

Not known to be exploited · fixed in eb14ee406e1d0fbbfb857f0eaa710daa8c2dc30e : update Linux kernel when convenient.

Data as of 26 Oct 2026, 14:05 UTC

Severity
Medium

Rated Medium by Threat Radar's AI analysis · CVSS not yet scored by NVD

EPSS
0.1% chance of exploitation in 30 days – higher than 9% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
Patch
Available – fixed in eb14ee406e1d0fbbfb857f0eaa710daa8c2dc30e, 6274281c41efa8dd1aa5234c59ad904ff89d7af4, 0dd78d9d9b546de08e2ae391541f48cea0a9b842

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 14 Oct 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponised: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 26 Oct 2026.

What to do

Upgrade Linux kernel to eb14ee406e1d0fbbfb857f0eaa710daa8c2dc30e, 6274281c41efa8dd1aa5234c59ad904ff89d7af4 or 0dd78d9d9b546de08e2ae391541f48cea0a9b842.

Affected software

ProductAffectedFixed in
LinuxLinuxAffected
  • ≥ f6febd0a30b6e299a08076116256e3b36c24eada, < eb14ee406e1d0fbbfb857f0eaa710daa8c2dc30e
Fixed in
  • eb14ee406e1d0fbbfb857f0eaa710daa8c2dc30e
LinuxLinuxAffected
  • ≥ f6febd0a30b6e299a08076116256e3b36c24eada, < 6274281c41efa8dd1aa5234c59ad904ff89d7af4
Fixed in
  • 6274281c41efa8dd1aa5234c59ad904ff89d7af4
LinuxLinuxAffected
  • ≥ f6febd0a30b6e299a08076116256e3b36c24eada, < 0dd78d9d9b546de08e2ae391541f48cea0a9b842
Fixed in
  • 0dd78d9d9b546de08e2ae391541f48cea0a9b842
LinuxLinuxAffected
  • =6.12
Fixed in–

AI-suggested

This vulnerability is fixed in Linux kernel version 6.12. Users and administrators should update to this version or later to remediate the issue.

Description

A vulnerability in the Linux kernel watchdog rzv2h driver could cause a division by zero panic due to clk_get_rate() returning zero. This issue has been fixed in the Linux kernel version 6.12.

References

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