Unknown severity · Source severity not reportedCVE-2026-98409

watchdog: rtd119x: Avoid division by zeroCVE-2026-98409

Answer in brief

CVE-2026-98409 records a Unknown severity vulnerability in watchdog: rtd119x: Avoid division by zero. The current sources do not mark it as known exploited. The current feed maps Linux/Linux (generic), Linux/Linux (generic). Check affected ranges and fixed versions before updating.

Analysis pending evidence review

HOL Guard separates source facts from reviewed analysis. See the methodology.

Published Oct 14, 2026Updated Oct 19, 2026Source checked Oct 25, 2026First seen by HOL Oct 14, 2026Material review Oct 19, 2026

Upstream Advisory

Key facts

Risk: Unknown severitySource severity not reported
Exploitation: Not marked as known exploited
Affected software: 2 mapped packages or products
Fix availability: Available

Why this deserves its current priority

A CVSS score is not reported in the current record. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.

Analysis status

Analysis pending evidence review

Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.

Affected scope and exposure questions

The current feed maps Linux/Linux (generic), Linux/Linux (generic). Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
Package	Affected range	Fixed version
Linux/Linuxgeneric	>=2bdf6acbfead7e9aa69f36ee5682d1e5c8f70367 <757c721545b9ffac5c3042a0cd3685ea28af7e81 \|\| >=2bdf6acbfead7e9aa69f36ee5682d1e5c8f70367 <1f22001b34984350844d629862f70934770cb796 \|\| >=2bdf6acbfead7e9aa69f36ee5682d1e5c8f70367 <b4ede87765a2e58ca4f18f5f8037c4826b9cc93f \|\| >=2bdf6acbfead7e9aa69f36ee5682d1e5c8f70367 <8a12e049d517d7dee78500633f8f0e47262a67e0 \|\| >=2bdf6acbfead7e9aa69f36ee5682d1e5c8f70367 <5af7d2cbd20f893def03c8310a460ade66a5d822	757c721545b9ffac5c3042a0cd3685ea28af7e81, 1f22001b34984350844d629862f70934770cb796, b4ede87765a2e58ca4f18f5f8037c4826b9cc93f, 8a12e049d517d7dee78500633f8f0e47262a67e0, 5af7d2cbd20f893def03c8310a460ade66a5d822
Linux/Linuxgeneric	4.16	Not reported

Recommended response

Check inventory. Check lockfiles and deployed manifests for Linux/Linux, Linux/Linux.
Review the reported fix. Update Linux/Linux to 757c721545b9ffac5c3042a0cd3685ea28af7e81 if you use the affected versions. Test the change in a non-production environment first.

Evidence timeline and material changes

Published upstream
Oct 14, 2026
Evidence: source:cvelist:source_dates:source-dates:record
Source modified
Oct 19, 2026
Evidence: source:cvelist:source_dates:source-dates:record
First seen by HOL
Oct 14, 2026

Sources and claim methodology

Upstream source description

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.

Quoted source text, attributed separately from HOL analysis.

Why this deserves its current priority

A CVSS score is not reported in the current record. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.

Analysis status

Analysis pending evidence review

Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.

Affected scope and exposure questions

The current feed maps Linux/Linux (generic), Linux/Linux (generic). Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
Package	Affected range	Fixed version
Linux/Linuxgeneric	>=2bdf6acbfead7e9aa69f36ee5682d1e5c8f70367 <757c721545b9ffac5c3042a0cd3685ea28af7e81 \|\| >=2bdf6acbfead7e9aa69f36ee5682d1e5c8f70367 <1f22001b34984350844d629862f70934770cb796 \|\| >=2bdf6acbfead7e9aa69f36ee5682d1e5c8f70367 <b4ede87765a2e58ca4f18f5f8037c4826b9cc93f \|\| >=2bdf6acbfead7e9aa69f36ee5682d1e5c8f70367 <8a12e049d517d7dee78500633f8f0e47262a67e0 \|\| >=2bdf6acbfead7e9aa69f36ee5682d1e5c8f70367 <5af7d2cbd20f893def03c8310a460ade66a5d822	757c721545b9ffac5c3042a0cd3685ea28af7e81, 1f22001b34984350844d629862f70934770cb796, b4ede87765a2e58ca4f18f5f8037c4826b9cc93f, 8a12e049d517d7dee78500633f8f0e47262a67e0, 5af7d2cbd20f893def03c8310a460ade66a5d822
Linux/Linuxgeneric	4.16	Not reported

Sources and claim methodology

Upstream source description

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.

Quoted source text, attributed separately from HOL analysis.