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Linux EUVDEUVD-2026-101072

| CVE-2026-98423
2026-10-14 Linux GHSA-gc6m-v2g5-2jw7
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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:

wifi: mac80211_hwsim: don't hand frames to mac80211 while stopping

The code checks ->started for frames coming from wmediumd, but the radio can be stopped after the check and before frame delivery, causing mac80211 to hit the WARN_ON(!local->started).

Expand the mutex for this case and synchronise against it when the radio is stopped to avoid being able to hit the warning with hwsim.

Drop the error print that would've complicated the error path, it only triggers for allocation failures (already noisy) and malformed frames anyway.

Affected VersionsENISA

Linux patch: 6.12.112
Linux 7882513bacb176ab4aacceefdd035ca9479da4fb <2f59be7585dc81baa6f36b0035dd6848ea43d318
Linux 3.1
Linux 7882513bacb176ab4aacceefdd035ca9479da4fb <5ce9b2bc9e73213e316a8c72400256a76bf41814
Linux patch: 7.3-rc4
Linux 7882513bacb176ab4aacceefdd035ca9479da4fb <d7fa45d8123a7f794b93fc22dbcf19f38dc4d8cb
Linux patch: 6.1.189
Linux 7882513bacb176ab4aacceefdd035ca9479da4fb <5c79ef616aa16af582fb2cb93b0f750975a0004f
Linux patch: 6.6.158
Linux patch: 6.18.54
Linux 7882513bacb176ab4aacceefdd035ca9479da4fb <87840d4a3a21b1c19b867a80e16ba69dff284de2
Linux patch: 7.2.8
Linux patch: 0
Linux 7882513bacb176ab4aacceefdd035ca9479da4fb <c4e4fe330294e3936e0f4e15d6996468f8a45fb2

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
Oct 14, 2026 - 15:03 EUVD
CVE Published
Oct 14, 2026 - 13:27 cve.org
UNKNOWN (no severity yet)

Threat Intelligence Overview

EPSS Score
0.2%
Top 89% 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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