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    <lastBuildDate>Mon, 28 Sep 2026 19:58:53 +0000</lastBuildDate>
    <item>
      <title>CVE-2025-40097 — ALSA: hda: Fix missing pointer check in hda_component_manager_init function</title>
      <link>https://vulnerability.circl.lu/vuln/cve-2025-40097</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: hda: Fix missing pointer check in hda_component_manager_init function&lt;/p&gt;
&lt;p&gt;The __component_match_add function may assign the &amp;#39;matchptr&amp;#39; pointer
the value ERR_PTR(-ENOMEM), which will subsequently be dereferenced.&lt;/p&gt;
&lt;p&gt;The call stack leading to the error looks like this:&lt;/p&gt;
&lt;p&gt;hda_component_manager_init
|-&amp;gt; component_match_add
    |-&amp;gt; component_match_add_release
        |-&amp;gt; __component_match_add ( ... ,**matchptr, ... )
            |-&amp;gt; *matchptr = ERR_PTR(-ENOMEM);       // assign
|-&amp;gt; component_master_add_with_match( ...  match)
    |-&amp;gt; component_match_realloc(match, match-&amp;gt;num); // dereference&lt;/p&gt;
&lt;p&gt;Add IS_ERR() check to prevent the crash.&lt;/p&gt;
&lt;p&gt;Found by Linux Verification Center (linuxtesting.org) with SVACE.&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: hda: Fix missing pointer check in hda_component_manager_init function&lt;/p&gt;
&lt;p&gt;The __component_match_add function may assign the &amp;#39;matchptr&amp;#39; pointer
the value ERR_PTR(-ENOMEM), which will subsequently be dereferenced.&lt;/p&gt;
&lt;p&gt;The call stack leading to the error looks like this:&lt;/p&gt;
&lt;p&gt;hda_component_manager_init
|-&amp;gt; component_match_add
    |-&amp;gt; component_match_add_release
        |-&amp;gt; __component_match_add ( ... ,**matchptr, ... )
            |-&amp;gt; *matchptr = ERR_PTR(-ENOMEM);       // assign
|-&amp;gt; component_master_add_with_match( ...  match)
    |-&amp;gt; component_match_realloc(match, match-&amp;gt;num); // dereference&lt;/p&gt;
&lt;p&gt;Add IS_ERR() check to prevent the crash.&lt;/p&gt;
&lt;p&gt;Found by Linux Verification Center (linuxtesting.org) with SVACE.&lt;/p&gt;</content:encoded>
      <guid isPermaLink="false">https://vulnerability.circl.lu/vuln/cve-2025-40097</guid>
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