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    <title>Most recent entries from all</title>
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      <title>CVE-2024-40931 — mptcp: ensure snd_una is properly initialized on connect</title>
      <link>https://vulnerability.circl.lu/vuln/cve-2024-40931</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;mptcp: ensure snd_una is properly initialized on connect&lt;/p&gt;
&lt;p&gt;This is strictly related to commit fb7a0d334894 (&amp;#34;mptcp: ensure snd_nxt
is properly initialized on connect&amp;#34;). It turns out that syzkaller can
trigger the retransmit after fallback and before processing any other
incoming packet - so that snd_una is still left uninitialized.&lt;/p&gt;
&lt;p&gt;Address the issue explicitly initializing snd_una together with snd_nxt
and write_seq.&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;mptcp: ensure snd_una is properly initialized on connect&lt;/p&gt;
&lt;p&gt;This is strictly related to commit fb7a0d334894 (&amp;#34;mptcp: ensure snd_nxt
is properly initialized on connect&amp;#34;). It turns out that syzkaller can
trigger the retransmit after fallback and before processing any other
incoming packet - so that snd_una is still left uninitialized.&lt;/p&gt;
&lt;p&gt;Address the issue explicitly initializing snd_una together with snd_nxt
and write_seq.&lt;/p&gt;</content:encoded>
      <guid isPermaLink="false">https://vulnerability.circl.lu/vuln/cve-2024-40931</guid>
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