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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 11:59:04 +0000</lastBuildDate>
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      <title>CVE-2022-50301 — iommu/omap: Fix buffer overflow in debugfs</title>
      <link>https://vulnerability.circl.lu/vuln/cve-2022-50301</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;iommu/omap: Fix buffer overflow in debugfs&lt;/p&gt;
&lt;p&gt;There are two issues here:&lt;/p&gt;
&lt;p&gt;1) The &amp;#34;len&amp;#34; variable needs to be checked before the very first write.
   Otherwise if omap2_iommu_dump_ctx() with &amp;#34;bytes&amp;#34; less than 32 it is a
   buffer overflow.
2) The snprintf() function returns the number of bytes that *would* have
   been copied if there were enough space.  But we want to know the
   number of bytes which were *actually* copied so use scnprintf()
   instead.&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;iommu/omap: Fix buffer overflow in debugfs&lt;/p&gt;
&lt;p&gt;There are two issues here:&lt;/p&gt;
&lt;p&gt;1) The &amp;#34;len&amp;#34; variable needs to be checked before the very first write.
   Otherwise if omap2_iommu_dump_ctx() with &amp;#34;bytes&amp;#34; less than 32 it is a
   buffer overflow.
2) The snprintf() function returns the number of bytes that *would* have
   been copied if there were enough space.  But we want to know the
   number of bytes which were *actually* copied so use scnprintf()
   instead.&lt;/p&gt;</content:encoded>
      <guid isPermaLink="false">https://vulnerability.circl.lu/vuln/cve-2022-50301</guid>
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