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    <title>Most recent entries from all</title>
    <link>https://db.gcve.eu</link>
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    <lastBuildDate>Fri, 02 Oct 2026 03:35:25 +0000</lastBuildDate>
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      <title>CVE-2026-80915 — drm/xe: Fix DPT allocation paths.</title>
      <link>https://db.gcve.eu/vuln/cve-2026-80915</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/xe: Fix DPT allocation paths.&lt;/p&gt;
&lt;p&gt;Remove the fallback for VRAM to system memory, I tested it and that
doesn&amp;#39;t work at all, only a black screen with pipe fault errors were
observed.&lt;/p&gt;
&lt;p&gt;On systems with media GT, extra latency is added when accessing stolen
memory when the GT is in MC6. Since we additionally aren&amp;#39;t counting how
much memory is used for stolen and we could in theory fill up the
entire stolen area with DPT&amp;#39;s, avoid using stolen and only use the
default memory region.&lt;/p&gt;
&lt;p&gt;Using stolen may also result in random system hangs under load.&lt;/p&gt;
&lt;p&gt;(cherry picked from commit a196406a3831291598fe8e73245914f7acffdfe0)&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/xe: Fix DPT allocation paths.&lt;/p&gt;
&lt;p&gt;Remove the fallback for VRAM to system memory, I tested it and that
doesn&amp;#39;t work at all, only a black screen with pipe fault errors were
observed.&lt;/p&gt;
&lt;p&gt;On systems with media GT, extra latency is added when accessing stolen
memory when the GT is in MC6. Since we additionally aren&amp;#39;t counting how
much memory is used for stolen and we could in theory fill up the
entire stolen area with DPT&amp;#39;s, avoid using stolen and only use the
default memory region.&lt;/p&gt;
&lt;p&gt;Using stolen may also result in random system hangs under load.&lt;/p&gt;
&lt;p&gt;(cherry picked from commit a196406a3831291598fe8e73245914f7acffdfe0)&lt;/p&gt;</content:encoded>
      <guid isPermaLink="false">https://db.gcve.eu/vuln/cve-2026-80915</guid>
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