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  4. CVE 2025 38642 wifi mac80211 fix warnon for monitor mode on some
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Back to active CVEs
Unknown severity · Source severity not reportedCVE-2025-38642

wifi: mac80211: fix WARN_ON for monitor mode on some devicesCVE-2025-38642

Answer in brief

CVE-2025-38642 records a Unknown severity vulnerability in wifi: mac80211: fix WARN_ON for monitor mode on some devices. 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 Aug 22, 2025Updated Nov 5, 2026Source checked Nov 5, 2026First seen by HOL Nov 5, 2026Material review Nov 5, 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
PackageAffected rangeFixed version
Linux/Linuxgeneric>=c4382d5ca1af75cf909463c7a707efd1a5f9a557 <ff15498ebaa49c5429a74e70a1951dede60cd14c || >=c4382d5ca1af75cf909463c7a707efd1a5f9a557 <1e10ded6b0f9b0eeefaacbb6c6c6afff3f702812 || >=c4382d5ca1af75cf909463c7a707efd1a5f9a557 <c57e5b9819dfd16d709bcd6cb633301ed0829a66ff15498ebaa49c5429a74e70a1951dede60cd14c, 1e10ded6b0f9b0eeefaacbb6c6c6afff3f702812, c57e5b9819dfd16d709bcd6cb633301ed0829a66
Linux/Linuxgeneric6.13Not reported

Recommended response

  1. 1Check inventory. Check lockfiles and deployed manifests for Linux/Linux, Linux/Linux.
  2. 2Review the reported fix. Update Linux/Linux to ff15498ebaa49c5429a74e70a1951dede60cd14c if you use the affected versions. Test the change in a non-production environment first.

Evidence timeline and material changes

  1. Published upstream

    Aug 22, 2025

    Evidence: source:cvelist:source_dates:source-dates:record

  2. Source modified

    Nov 5, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  3. First seen by HOL

    Nov 5, 2026

Sources and claim methodology

  • Source referencegit.kernel.org
  • Source referencegit.kernel.org
  • Source referencegit.kernel.org
Upstream source description

In the Linux kernel, the following vulnerability has been resolved: wifi: mac80211: fix WARN_ON for monitor mode on some devices On devices without WANT_MONITOR_VIF (and probably without channel context support) we get a WARN_ON for changing the per-link setting of a monitor interface. Since we already skip AP_VLAN interfaces and MONITOR with WANT_MONITOR_VIF and/or NO_VIRTUAL_MONITOR should update the settings, catch this in the link change code instead of the warning.

Quoted source text, attributed separately from HOL analysis.

Record context

Vulnerability class
Vulnerability
EPSS
Not reported
CWE IDs
Not reported
Source
CVE List V5
Source checked
Nov 5, 2026
References
3 linked sources
Open source record