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    <lastBuildDate>Tue, 29 Sep 2026 18:22:20 +0000</lastBuildDate>
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      <title>CVE-2023-53400 — ALSA: hda: Fix Oops by 9.1 surround channel names</title>
      <link>https://db.gcve.eu/vuln/cve-2023-53400</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;ALSA: hda: Fix Oops by 9.1 surround channel names&lt;/p&gt;
&lt;p&gt;get_line_out_pfx() may trigger an Oops by overflowing the static array
with more than 8 channels.  This was reported for MacBookPro 12,1 with
Cirrus codec.&lt;/p&gt;
&lt;p&gt;As a workaround, extend for the 9.1 channels and also fix the
potential Oops by unifying the code paths accessing the same array
with the proper size check.&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;ALSA: hda: Fix Oops by 9.1 surround channel names&lt;/p&gt;
&lt;p&gt;get_line_out_pfx() may trigger an Oops by overflowing the static array
with more than 8 channels.  This was reported for MacBookPro 12,1 with
Cirrus codec.&lt;/p&gt;
&lt;p&gt;As a workaround, extend for the 9.1 channels and also fix the
potential Oops by unifying the code paths accessing the same array
with the proper size check.&lt;/p&gt;</content:encoded>
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