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    <title>Most recent entries from all</title>
    <link>https://vulnerability.circl.lu</link>
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    <lastBuildDate>Wed, 30 Sep 2026 08:23:32 +0000</lastBuildDate>
    <item>
      <title>CVE-2024-49864 — rxrpc: Fix a race between socket set up and I/O thread creation</title>
      <link>https://vulnerability.circl.lu/vuln/cve-2024-49864</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;rxrpc: Fix a race between socket set up and I/O thread creation&lt;/p&gt;
&lt;p&gt;In rxrpc_open_socket(), it sets up the socket and then sets up the I/O
thread that will handle it.  This is a problem, however, as there&amp;#39;s a gap
between the two phases in which a packet may come into rxrpc_encap_rcv()
from the UDP packet but we oops when trying to wake the not-yet created I/O
thread.&lt;/p&gt;
&lt;p&gt;As a quick fix, just make rxrpc_encap_rcv() discard the packet if there&amp;#39;s
no I/O thread yet.&lt;/p&gt;
&lt;p&gt;A better, but more intrusive fix would perhaps be to rearrange things such
that the socket creation is done by the I/O thread.&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;rxrpc: Fix a race between socket set up and I/O thread creation&lt;/p&gt;
&lt;p&gt;In rxrpc_open_socket(), it sets up the socket and then sets up the I/O
thread that will handle it.  This is a problem, however, as there&amp;#39;s a gap
between the two phases in which a packet may come into rxrpc_encap_rcv()
from the UDP packet but we oops when trying to wake the not-yet created I/O
thread.&lt;/p&gt;
&lt;p&gt;As a quick fix, just make rxrpc_encap_rcv() discard the packet if there&amp;#39;s
no I/O thread yet.&lt;/p&gt;
&lt;p&gt;A better, but more intrusive fix would perhaps be to rearrange things such
that the socket creation is done by the I/O thread.&lt;/p&gt;</content:encoded>
      <guid isPermaLink="false">https://vulnerability.circl.lu/vuln/cve-2024-49864</guid>
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