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    <title>Most recent entries from all</title>
    <link>https://vulnerability.circl.lu</link>
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    <lastBuildDate>Wed, 30 Sep 2026 10:01:19 +0000</lastBuildDate>
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      <title>CVE-2023-54043 — iommufd: Do not add the same hwpt to the ioas-&gt;hwpt_list twice</title>
      <link>https://vulnerability.circl.lu/vuln/cve-2023-54043</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;iommufd: Do not add the same hwpt to the ioas-&amp;gt;hwpt_list twice&lt;/p&gt;
&lt;p&gt;The hwpt is added to the hwpt_list only during its creation, it is never
added again. This hunk is some missed leftover from rework. Adding it
twice will corrupt the linked list in some cases.&lt;/p&gt;
&lt;p&gt;It effects HWPT specific attachment, which is something the test suite
cannot cover until we can create a legitimate struct device with a
non-system iommu &amp;#34;driver&amp;#34; (ie we need the bus removed from the iommu code)&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;iommufd: Do not add the same hwpt to the ioas-&amp;gt;hwpt_list twice&lt;/p&gt;
&lt;p&gt;The hwpt is added to the hwpt_list only during its creation, it is never
added again. This hunk is some missed leftover from rework. Adding it
twice will corrupt the linked list in some cases.&lt;/p&gt;
&lt;p&gt;It effects HWPT specific attachment, which is something the test suite
cannot cover until we can create a legitimate struct device with a
non-system iommu &amp;#34;driver&amp;#34; (ie we need the bus removed from the iommu code)&lt;/p&gt;</content:encoded>
      <guid isPermaLink="false">https://vulnerability.circl.lu/vuln/cve-2023-54043</guid>
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