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Linux CVE-2026-97969

| EUVDEUVD-2026-86823
2026-09-25 Linux GHSA-c6r8-8m99-q662
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Monitor Track and reassess. Why: No CVSS yet + weak signal (CWE or non-zero EPSS).
Patch available 0.2% exploitation probability (EPSS)

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AnalysisCVE.org

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

watchdog: msc313e: Fix clock leak and spurious timer in settimeout()

msc313e_wdt_settimeout() unconditionally calls msc313e_wdt_start() which introduces two severe bugs:

  1. If the watchdog is already active, calling start() again will

increase the reference count of the clock again. However stop() is only called once, the reference count is unbalance.

  1. If the watchdog is stopped, calling settimeout() will start

the hardware timer accidentally.

Factor out the register-writing logic into a helper function. Only call it in settimeout() if the watchdog is running. Otherwise, simply update wdev->timeout.

Affected VersionsENISA

Linux patch: 7.3-rc3
Linux e9800b7994642a794afd4894f072541c14277ce8 <3db30f315935c2fb0d95f46b7a593b5b4d3ec3d0
Linux patch: 0
Linux e9800b7994642a794afd4894f072541c14277ce8 <faf1eb2895c87a8c0fb920439dddc7e0d97c6a69
Linux e9800b7994642a794afd4894f072541c14277ce8 <2abf99a57b0b71b2b97745981f4039370ab78044
Linux e9800b7994642a794afd4894f072541c14277ce8 <2152a13ee2a9af09a668ebd053a8dbf771dadb80
Linux 5.14
Linux patch: 7.2.7
Linux patch: 6.12.111
Linux patch: 6.18.53

Affected Packages

euvd linux no fix

Source: OSV (Open Source Vulnerabilities)

Affects your stack

Affects 1 package in euvd

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Lifecycle Timeline

2
Patch available
Sep 25, 2026 - 11:02 EUVD
CVE Published
Sep 25, 2026 - 10:23 cve.org
UNKNOWN (no severity yet)

Threat Intelligence Overview

EPSS Score
0.2%
Top 95% exploitable
Data Quality
3 sources
Confidence: Low

How this decision was reached

The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.

SignalValue
Severity Not scored yet
CISA KEV No
Public POC No
EPSS 0.2%
Patch available Yes
Active threat No
Deciding rule
No CVSS yet + weak signal (CWE or non-zero EPSS)
What every action level means
Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.
Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.
This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.
This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.
Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.

Attack Technique

Information disclosure occurs when an application unintentionally exposes sensitive data that aids attackers in reconnaissance or directly compromises security.

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