# CVE-2026-98408: watchdog: rzv2h: Avoid division by zero

CVE-2026-98408 is fixed in linux on 1 platform by DEBIAN-CVE-2026-98408 (version 7.2.8-1), released October 16, 2026. It is not reported as exploited. Patch Radar priority: Routine.

- Web page: https://patchblox.com/security/cve/CVE-2026-98408
- Priority: Routine
- CVSS: n/a
- EPSS: 0.0020
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Oct 14, 2026
- Vendor advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-98408

## Description

In the Linux kernel, the following vulnerability has been resolved:  watchdog: rzv2h: Avoid division by zero  clk_get_rate() could return 0.  Avoid a division by zero panic.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | linux Debian 14 | 7.2.8-1 | [DEBIAN-CVE-2026-98408](https://patchblox.com/security/data/fix/linux/debian-cve-2026-98408.md) | Oct 16, 2026 |

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Data as of 2026-11-08T13:06:02Z UTC. Source: Patchblox Patch Radar (https://patchblox.com/security/patch-radar). Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

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