Bug 2390408 (CVE-2025-38642) - CVE-2025-38642 kernel: wifi: mac80211: fix WARN_ON for monitor mode on some devices
Summary: CVE-2025-38642 kernel: wifi: mac80211: fix WARN_ON for monitor mode on some d...
Keywords:
Status: NEW
Alias: CVE-2025-38642
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Product Security DevOps Team
QA Contact:
URL:
Whiteboard:
Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2025-08-22 17:05 UTC by OSIDB Bzimport
Modified: 2025-08-22 18:43 UTC (History)
0 users

Fixed In Version:
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Description OSIDB Bzimport 2025-08-22 17:05:18 UTC
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.


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