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    <title>Most recent entries from all</title>
    <link>https://db.gcve.eu</link>
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    <lastBuildDate>Mon, 09 Nov 2026 18:02:13 +0000</lastBuildDate>
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      <title>CVE-2026-98518 — drm/nouveau/dmem: pin VRAM for the whole registered range</title>
      <link>https://db.gcve.eu/vuln/cve-2026-98518</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;drm/nouveau/dmem: pin VRAM for the whole registered range&lt;/p&gt;
&lt;p&gt;Commit c32287471077 (&amp;#34;gpu/drm/nouveau: enable THP support for GPU memory
migration&amp;#34;) grew the device-private region that
nouveau_dmem_chunk_alloc() registers from DMEM_CHUNK_SIZE to
DMEM_CHUNK_SIZE * NR_CHUNKS, but left the VRAM buffer object backing that
region at DMEM_CHUNK_SIZE.&lt;/p&gt;
&lt;p&gt;nouveau_dmem_page_addr() returns chunk-&amp;gt;bo-&amp;gt;offset plus the page&amp;#39;s offset
within the registered region, so every page past the first chunk resolves
to VRAM outside the buffer object.&lt;/p&gt;
&lt;p&gt;Size the buffer object to the region it backs.&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;drm/nouveau/dmem: pin VRAM for the whole registered range&lt;/p&gt;
&lt;p&gt;Commit c32287471077 (&amp;#34;gpu/drm/nouveau: enable THP support for GPU memory
migration&amp;#34;) grew the device-private region that
nouveau_dmem_chunk_alloc() registers from DMEM_CHUNK_SIZE to
DMEM_CHUNK_SIZE * NR_CHUNKS, but left the VRAM buffer object backing that
region at DMEM_CHUNK_SIZE.&lt;/p&gt;
&lt;p&gt;nouveau_dmem_page_addr() returns chunk-&amp;gt;bo-&amp;gt;offset plus the page&amp;#39;s offset
within the registered region, so every page past the first chunk resolves
to VRAM outside the buffer object.&lt;/p&gt;
&lt;p&gt;Size the buffer object to the region it backs.&lt;/p&gt;</content:encoded>
      <guid isPermaLink="false">https://db.gcve.eu/vuln/cve-2026-98518</guid>
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