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    <title>Most recent entries from all</title>
    <link>https://vulnerability.circl.lu</link>
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    <lastBuildDate>Tue, 29 Sep 2026 07:21:53 +0000</lastBuildDate>
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      <title>CVE-2026-90064 — drm/xe: Reject page faults from non-fault-mode scratch VMs</title>
      <link>https://vulnerability.circl.lu/vuln/cve-2026-90064</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: Reject page faults from non-fault-mode scratch VMs&lt;/p&gt;
&lt;p&gt;Having scratch enabled does not make a VM capable of handling recoverable
page faults. Allowing scratch VMs through the ASID lookup also admits
dma-fence mode VMs.&lt;/p&gt;
&lt;p&gt;If such a VM faults on an already valid VMA, the handler reports success
without fixing the fault, causing the GPU to retry indefinitely.&lt;/p&gt;
&lt;p&gt;Only allow fault-mode VMs through the ASID lookup. Fault-mode VMs using
scratch remain supported, while faults from 3D VMs are rejected.&lt;/p&gt;
&lt;p&gt;(cherry picked from commit bfb24a06405b652d37831f3fb66b71d33a6605de)&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: Reject page faults from non-fault-mode scratch VMs&lt;/p&gt;
&lt;p&gt;Having scratch enabled does not make a VM capable of handling recoverable
page faults. Allowing scratch VMs through the ASID lookup also admits
dma-fence mode VMs.&lt;/p&gt;
&lt;p&gt;If such a VM faults on an already valid VMA, the handler reports success
without fixing the fault, causing the GPU to retry indefinitely.&lt;/p&gt;
&lt;p&gt;Only allow fault-mode VMs through the ASID lookup. Fault-mode VMs using
scratch remain supported, while faults from 3D VMs are rejected.&lt;/p&gt;
&lt;p&gt;(cherry picked from commit bfb24a06405b652d37831f3fb66b71d33a6605de)&lt;/p&gt;</content:encoded>
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