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    <title>Most recent entries from all</title>
    <link>https://vulnerability.circl.lu</link>
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    <lastBuildDate>Tue, 29 Sep 2026 23:45:56 +0000</lastBuildDate>
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      <title>CVE-2023-54031 — vdpa: Add queue index attr to vdpa_nl_policy for nlattr length check</title>
      <link>https://vulnerability.circl.lu/vuln/cve-2023-54031</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;vdpa: Add queue index attr to vdpa_nl_policy for nlattr length check&lt;/p&gt;
&lt;p&gt;The vdpa_nl_policy structure is used to validate the nlattr when parsing
the incoming nlmsg. It will ensure the attribute being described produces
a valid nlattr pointer in info-&amp;gt;attrs before entering into each handler
in vdpa_nl_ops.&lt;/p&gt;
&lt;p&gt;That is to say, the missing part in vdpa_nl_policy may lead to illegal
nlattr after parsing, which could lead to OOB read just like CVE-2023-3773.&lt;/p&gt;
&lt;p&gt;This patch adds the missing nla_policy for vdpa queue index attr to avoid
such bugs.&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;vdpa: Add queue index attr to vdpa_nl_policy for nlattr length check&lt;/p&gt;
&lt;p&gt;The vdpa_nl_policy structure is used to validate the nlattr when parsing
the incoming nlmsg. It will ensure the attribute being described produces
a valid nlattr pointer in info-&amp;gt;attrs before entering into each handler
in vdpa_nl_ops.&lt;/p&gt;
&lt;p&gt;That is to say, the missing part in vdpa_nl_policy may lead to illegal
nlattr after parsing, which could lead to OOB read just like CVE-2023-3773.&lt;/p&gt;
&lt;p&gt;This patch adds the missing nla_policy for vdpa queue index attr to avoid
such bugs.&lt;/p&gt;</content:encoded>
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