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    <title>Most recent entries from all</title>
    <link>https://vulnerability.circl.lu</link>
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    <lastBuildDate>Fri, 02 Oct 2026 15:08:19 +0000</lastBuildDate>
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      <title>CVE-2026-74320 — fbdev: sm501fb: Fix buffer errors in OF binding code</title>
      <link>https://vulnerability.circl.lu/vuln/cve-2026-74320</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;fbdev: sm501fb: Fix buffer errors in OF binding code&lt;/p&gt;
&lt;p&gt;The code that gets the frame buffer mode from OF has &amp;#39;use after free&amp;#39;,
&amp;#39;buffer overrun&amp;#39; and memory leaks.&lt;/p&gt;
&lt;p&gt;info-&amp;gt;edid_data isn&amp;#39;t free if the probe functions fail or if
pd-&amp;gt;def_mode is set.&lt;/p&gt;
&lt;p&gt;If both the CRT and PANEL are enabled info-&amp;gt;edid_data is used after
being freed and is freed twice.&lt;/p&gt;
&lt;p&gt;The string returned by of_get_property(np, &amp;#34;mode&amp;#34;, &amp;amp;len) is just
written over either the static &amp;#34;640x480-16@60&amp;#34; or the module parameter
string without any regard for the length (which is most likely longer).&lt;/p&gt;
&lt;p&gt;Use kstrump() for the OF mode and free everything before freeing &amp;#39;info.&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;fbdev: sm501fb: Fix buffer errors in OF binding code&lt;/p&gt;
&lt;p&gt;The code that gets the frame buffer mode from OF has &amp;#39;use after free&amp;#39;,
&amp;#39;buffer overrun&amp;#39; and memory leaks.&lt;/p&gt;
&lt;p&gt;info-&amp;gt;edid_data isn&amp;#39;t free if the probe functions fail or if
pd-&amp;gt;def_mode is set.&lt;/p&gt;
&lt;p&gt;If both the CRT and PANEL are enabled info-&amp;gt;edid_data is used after
being freed and is freed twice.&lt;/p&gt;
&lt;p&gt;The string returned by of_get_property(np, &amp;#34;mode&amp;#34;, &amp;amp;len) is just
written over either the static &amp;#34;640x480-16@60&amp;#34; or the module parameter
string without any regard for the length (which is most likely longer).&lt;/p&gt;
&lt;p&gt;Use kstrump() for the OF mode and free everything before freeing &amp;#39;info.&lt;/p&gt;</content:encoded>
      <guid isPermaLink="false">https://vulnerability.circl.lu/vuln/cve-2026-74320</guid>
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