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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 12:48:05 +0000</lastBuildDate>
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      <title>CVE-2026-97580 — media: rkvdec: bound HEVC tile loops and PPS id to the array capacity</title>
      <link>https://vulnerability.circl.lu/vuln/cve-2026-97580</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;media: rkvdec: bound HEVC tile loops and PPS id to the array capacity&lt;/p&gt;
&lt;p&gt;compute_tiles_uniform() and compute_tiles_non_uniform() loop over
num_tile_columns_minus1 + 1 / num_tile_rows_minus1 + 1 entries, and
assemble_hw_pps() writes one COLUMN_WIDTH / ROW_HEIGHT register per tile
and indexes priv_tbl-&amp;gt;param_set[] by pic_parameter_set_id, all taken from
the untrusted PPS. Use the bounded v4l2_hevc_pps_num_tile_columns() /
v4l2_hevc_pps_num_tile_rows() helpers for the tile loops, and bail out of
assemble_hw_pps() before indexing priv_tbl-&amp;gt;param_set[] with an
out-of-range pic_parameter_set_id, so the writes stay within the hardware
tables.&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;media: rkvdec: bound HEVC tile loops and PPS id to the array capacity&lt;/p&gt;
&lt;p&gt;compute_tiles_uniform() and compute_tiles_non_uniform() loop over
num_tile_columns_minus1 + 1 / num_tile_rows_minus1 + 1 entries, and
assemble_hw_pps() writes one COLUMN_WIDTH / ROW_HEIGHT register per tile
and indexes priv_tbl-&amp;gt;param_set[] by pic_parameter_set_id, all taken from
the untrusted PPS. Use the bounded v4l2_hevc_pps_num_tile_columns() /
v4l2_hevc_pps_num_tile_rows() helpers for the tile loops, and bail out of
assemble_hw_pps() before indexing priv_tbl-&amp;gt;param_set[] with an
out-of-range pic_parameter_set_id, so the writes stay within the hardware
tables.&lt;/p&gt;</content:encoded>
      <guid isPermaLink="false">https://vulnerability.circl.lu/vuln/cve-2026-97580</guid>
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