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    <title>Most recent entries from all</title>
    <link>https://db.gcve.eu</link>
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    <lastBuildDate>Fri, 16 Oct 2026 10:36:27 +0000</lastBuildDate>
    <item>
      <title>CVE-2026-98423 — wifi: mac80211_hwsim: don't hand frames to mac80211 while stopping</title>
      <link>https://db.gcve.eu/vuln/cve-2026-98423</link>
      <description>&lt;p&gt;&lt;strong&gt;Affected:&lt;/strong&gt; Linux&lt;/p&gt;
&lt;p&gt;In the Linux kernel, the following vulnerability has been resolved:&lt;/p&gt;
&lt;p&gt;wifi: mac80211_hwsim: don&amp;#39;t hand frames to mac80211 while stopping&lt;/p&gt;
&lt;p&gt;The code checks -&amp;gt;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-&amp;gt;started).&lt;/p&gt;
&lt;p&gt;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.&lt;/p&gt;
&lt;p&gt;Drop the error print that would&amp;#39;ve complicated the error path, it
only triggers for allocation failures (already noisy) and malformed
frames anyway.&lt;/p&gt;</description>
      <content:encoded>&lt;p&gt;&lt;strong&gt;Affected:&lt;/strong&gt; Linux&lt;/p&gt;
&lt;p&gt;In the Linux kernel, the following vulnerability has been resolved:&lt;/p&gt;
&lt;p&gt;wifi: mac80211_hwsim: don&amp;#39;t hand frames to mac80211 while stopping&lt;/p&gt;
&lt;p&gt;The code checks -&amp;gt;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-&amp;gt;started).&lt;/p&gt;
&lt;p&gt;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.&lt;/p&gt;
&lt;p&gt;Drop the error print that would&amp;#39;ve complicated the error path, it
only triggers for allocation failures (already noisy) and malformed
frames anyway.&lt;/p&gt;</content:encoded>
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