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    <title>Most recent entries from all</title>
    <link>https://vulnerability.circl.lu</link>
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    <lastBuildDate>Thu, 01 Oct 2026 11:08:11 +0000</lastBuildDate>
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      <title>CVE-2026-46157 — ALSA: pcm: oss: Fix data race at accessing runtime.oss.trigger</title>
      <link>https://vulnerability.circl.lu/vuln/cve-2026-46157</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;ALSA: pcm: oss: Fix data race at accessing runtime.oss.trigger&lt;/p&gt;
&lt;p&gt;Currently the runtime.oss.trigger field may be accessed concurrently
without protection, which may lead to the data race.  And, in this
case, it may lead to more severe problem because it&amp;#39;s a bit field; as
writing the data, it may overwrite other bit fields as well, which
confuses the operation completely, as spotted by fuzzing.&lt;/p&gt;
&lt;p&gt;Fix it by covering runtime.oss.trigger bit fled also with the existing
params_lock mutex in both snd_pcm_oss_get_trigger() and
snd_pcm_oss_poll().&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;ALSA: pcm: oss: Fix data race at accessing runtime.oss.trigger&lt;/p&gt;
&lt;p&gt;Currently the runtime.oss.trigger field may be accessed concurrently
without protection, which may lead to the data race.  And, in this
case, it may lead to more severe problem because it&amp;#39;s a bit field; as
writing the data, it may overwrite other bit fields as well, which
confuses the operation completely, as spotted by fuzzing.&lt;/p&gt;
&lt;p&gt;Fix it by covering runtime.oss.trigger bit fled also with the existing
params_lock mutex in both snd_pcm_oss_get_trigger() and
snd_pcm_oss_poll().&lt;/p&gt;</content:encoded>
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