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      <title>CVE-2023-54197 — Revert "Bluetooth: btsdio: fix use after free bug in btsdio_remove due to unfinished work"</title>
      <link>https://vulnerability.circl.lu/vuln/cve-2023-54197</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;Revert &amp;#34;Bluetooth: btsdio: fix use after free bug in btsdio_remove due to unfinished work&amp;#34;&lt;/p&gt;
&lt;p&gt;This reverts commit 1e9ac114c4428fdb7ff4635b45d4f46017e8916f.&lt;/p&gt;
&lt;p&gt;This patch introduces a possible null-ptr-def problem. Revert it. And the
fixed bug by this patch have resolved by commit 73f7b171b7c0 (&amp;#34;Bluetooth:
btsdio: fix use after free bug in btsdio_remove due to race condition&amp;#34;).&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;Revert &amp;#34;Bluetooth: btsdio: fix use after free bug in btsdio_remove due to unfinished work&amp;#34;&lt;/p&gt;
&lt;p&gt;This reverts commit 1e9ac114c4428fdb7ff4635b45d4f46017e8916f.&lt;/p&gt;
&lt;p&gt;This patch introduces a possible null-ptr-def problem. Revert it. And the
fixed bug by this patch have resolved by commit 73f7b171b7c0 (&amp;#34;Bluetooth:
btsdio: fix use after free bug in btsdio_remove due to race condition&amp;#34;).&lt;/p&gt;</content:encoded>
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