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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 17:50:28 +0000</lastBuildDate>
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      <title>CVE-2026-53293 — drm/amdgpu: fix AMDGPU_INFO_READ_MMR_REG</title>
      <link>https://vulnerability.circl.lu/vuln/cve-2026-53293</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/amdgpu: fix AMDGPU_INFO_READ_MMR_REG&lt;/p&gt;
&lt;p&gt;There were multiple issues in that code.&lt;/p&gt;
&lt;p&gt;First of all the order between the reset semaphore and the mm_lock was
wrong (e.g. copy_to_user) was called while holding the lock.&lt;/p&gt;
&lt;p&gt;Then we allocated memory while holding the reset semaphore which is also
a pretty big bug and can deadlock.&lt;/p&gt;
&lt;p&gt;Then we used down_read_trylock() instead of waiting for the reset to
finish.&lt;/p&gt;
&lt;p&gt;(cherry picked from commit 361b6e6b303d4b691f6c5974d3eaab67ca6dd90e)&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/amdgpu: fix AMDGPU_INFO_READ_MMR_REG&lt;/p&gt;
&lt;p&gt;There were multiple issues in that code.&lt;/p&gt;
&lt;p&gt;First of all the order between the reset semaphore and the mm_lock was
wrong (e.g. copy_to_user) was called while holding the lock.&lt;/p&gt;
&lt;p&gt;Then we allocated memory while holding the reset semaphore which is also
a pretty big bug and can deadlock.&lt;/p&gt;
&lt;p&gt;Then we used down_read_trylock() instead of waiting for the reset to
finish.&lt;/p&gt;
&lt;p&gt;(cherry picked from commit 361b6e6b303d4b691f6c5974d3eaab67ca6dd90e)&lt;/p&gt;</content:encoded>
      <guid isPermaLink="false">https://vulnerability.circl.lu/vuln/cve-2026-53293</guid>
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