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    <lastBuildDate>Wed, 30 Sep 2026 08:28:35 +0000</lastBuildDate>
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      <title>CVE-2026-89610 — ntfs: verify run length exceeding volume boundary</title>
      <link>https://vulnerability.circl.lu/vuln/cve-2026-89610</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;ntfs: verify run length exceeding volume boundary&lt;/p&gt;
&lt;p&gt;The mapping pairs decoder validates that the starting LCN is within the
volume but does not check if the run extends beyond the volume boundary.&lt;/p&gt;
&lt;p&gt;A malformed NTFS image with a crafted mapping pairs array could cause
the kernel to access memory beyond the volume boundary, potentially leading
to memory corruption and privilege escalation.&lt;/p&gt;
&lt;p&gt;Add validation to ensure lcn + length stays within nr_clusters.&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;ntfs: verify run length exceeding volume boundary&lt;/p&gt;
&lt;p&gt;The mapping pairs decoder validates that the starting LCN is within the
volume but does not check if the run extends beyond the volume boundary.&lt;/p&gt;
&lt;p&gt;A malformed NTFS image with a crafted mapping pairs array could cause
the kernel to access memory beyond the volume boundary, potentially leading
to memory corruption and privilege escalation.&lt;/p&gt;
&lt;p&gt;Add validation to ensure lcn + length stays within nr_clusters.&lt;/p&gt;</content:encoded>
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