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      <title>CVE-2025-21985 — drm/amd/display: Fix out-of-bound accesses</title>
      <link>https://vulnerability.circl.lu/vuln/cve-2025-21985</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/amd/display: Fix out-of-bound accesses&lt;/p&gt;
&lt;p&gt;[WHAT &amp;amp; HOW]
hpo_stream_to_link_encoder_mapping has size MAX_HPO_DP2_ENCODERS(=4),
but location can have size up to 6. As a result, it is necessary to
check location against MAX_HPO_DP2_ENCODERS.&lt;/p&gt;
&lt;p&gt;Similiarly, disp_cfg_stream_location can be used as an array index which
should be 0..5, so the ASSERT&amp;#39;s conditions should be less without equal.&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/amd/display: Fix out-of-bound accesses&lt;/p&gt;
&lt;p&gt;[WHAT &amp;amp; HOW]
hpo_stream_to_link_encoder_mapping has size MAX_HPO_DP2_ENCODERS(=4),
but location can have size up to 6. As a result, it is necessary to
check location against MAX_HPO_DP2_ENCODERS.&lt;/p&gt;
&lt;p&gt;Similiarly, disp_cfg_stream_location can be used as an array index which
should be 0..5, so the ASSERT&amp;#39;s conditions should be less without equal.&lt;/p&gt;</content:encoded>
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