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    <title>Most recent entries from all</title>
    <link>https://vulnerability.circl.lu</link>
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    <lastBuildDate>Sat, 03 Oct 2026 05:33:32 +0000</lastBuildDate>
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      <title>CVE-2026-46187 — wifi: rsi: fix kthread lifetime race between self-exit and external-stop</title>
      <link>https://vulnerability.circl.lu/vuln/cve-2026-46187</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;wifi: rsi: fix kthread lifetime race between self-exit and external-stop&lt;/p&gt;
&lt;p&gt;RSI driver use both self-exit(kthread_complete_and_exit) and external-stop
(kthread_stop) when killing a kthread. Generally, kthread_stop() is called
first, and in this case, no particular issues occur.&lt;/p&gt;
&lt;p&gt;However, in rare instances where kthread_complete_and_exit() is called
first and then kthread_stop() is called, a UAF occurs because the kthread
object, which has already exited and been freed, is accessed again.&lt;/p&gt;
&lt;p&gt;Therefore, to prevent this with minimal modification, you must remove
kthread_stop() and change the code to wait until the self-exit operation
is completed.&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;wifi: rsi: fix kthread lifetime race between self-exit and external-stop&lt;/p&gt;
&lt;p&gt;RSI driver use both self-exit(kthread_complete_and_exit) and external-stop
(kthread_stop) when killing a kthread. Generally, kthread_stop() is called
first, and in this case, no particular issues occur.&lt;/p&gt;
&lt;p&gt;However, in rare instances where kthread_complete_and_exit() is called
first and then kthread_stop() is called, a UAF occurs because the kthread
object, which has already exited and been freed, is accessed again.&lt;/p&gt;
&lt;p&gt;Therefore, to prevent this with minimal modification, you must remove
kthread_stop() and change the code to wait until the self-exit operation
is completed.&lt;/p&gt;</content:encoded>
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