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    <title>Most recent entries from all</title>
    <link>https://cve.radiocsirt.org</link>
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    <lastBuildDate>Tue, 06 Oct 2026 10:27:41 +0000</lastBuildDate>
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      <title>CVE-2021-46905 — net: hso: fix NULL-deref on disconnect regression</title>
      <link>https://cve.radiocsirt.org/vuln/cve-2021-46905</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;net: hso: fix NULL-deref on disconnect regression&lt;/p&gt;
&lt;p&gt;Commit 8a12f8836145 (&amp;#34;net: hso: fix null-ptr-deref during tty device
unregistration&amp;#34;) fixed the racy minor allocation reported by syzbot, but
introduced an unconditional NULL-pointer dereference on every disconnect
instead.&lt;/p&gt;
&lt;p&gt;Specifically, the serial device table must no longer be accessed after
the minor has been released by hso_serial_tty_unregister().&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;net: hso: fix NULL-deref on disconnect regression&lt;/p&gt;
&lt;p&gt;Commit 8a12f8836145 (&amp;#34;net: hso: fix null-ptr-deref during tty device
unregistration&amp;#34;) fixed the racy minor allocation reported by syzbot, but
introduced an unconditional NULL-pointer dereference on every disconnect
instead.&lt;/p&gt;
&lt;p&gt;Specifically, the serial device table must no longer be accessed after
the minor has been released by hso_serial_tty_unregister().&lt;/p&gt;</content:encoded>
      <guid isPermaLink="false">https://cve.radiocsirt.org/vuln/cve-2021-46905</guid>
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