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    <title>Most recent entries from all</title>
    <link>https://db.gcve.eu</link>
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    <lastBuildDate>Tue, 03 Nov 2026 09:23:53 +0000</lastBuildDate>
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      <title>CVE-2026-98690 — thunderbolt: Fix domain reference leak when DPRX read is canceled</title>
      <link>https://db.gcve.eu/vuln/cve-2026-98690</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;thunderbolt: Fix domain reference leak when DPRX read is canceled&lt;/p&gt;
&lt;p&gt;tb_tunnel_one_dp() takes a domain reference which is only dropped once
tb_dp_tunnel_active() has run on the work queue. If that work is
cancelled that reference is leaked. Since
commit f5cc545f5969 (&amp;#34;thunderbolt: Wait for tb_domain_release() to
complete when driver is removed&amp;#34;) instead of just leaking memory this
now also blocks in the completion wait forever when unbinding the
driver.&lt;/p&gt;
&lt;p&gt;This can be triggered whenever a DP tunnel is torn down before the DPRX
read has completed, e.g. by unplugging within the timeout, and then
unbinding the driver.&lt;/p&gt;
&lt;p&gt;That reference only exists to keep the domain around while the DPRX work
is scheduled so let the work itself own it: take it in tb_dp_dprx_start()
and drop it in both places that end the work. Get/put are then paired
inside the same file and it doesn&amp;#39;t matter anymore if the callback ever
runs.&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;thunderbolt: Fix domain reference leak when DPRX read is canceled&lt;/p&gt;
&lt;p&gt;tb_tunnel_one_dp() takes a domain reference which is only dropped once
tb_dp_tunnel_active() has run on the work queue. If that work is
cancelled that reference is leaked. Since
commit f5cc545f5969 (&amp;#34;thunderbolt: Wait for tb_domain_release() to
complete when driver is removed&amp;#34;) instead of just leaking memory this
now also blocks in the completion wait forever when unbinding the
driver.&lt;/p&gt;
&lt;p&gt;This can be triggered whenever a DP tunnel is torn down before the DPRX
read has completed, e.g. by unplugging within the timeout, and then
unbinding the driver.&lt;/p&gt;
&lt;p&gt;That reference only exists to keep the domain around while the DPRX work
is scheduled so let the work itself own it: take it in tb_dp_dprx_start()
and drop it in both places that end the work. Get/put are then paired
inside the same file and it doesn&amp;#39;t matter anymore if the callback ever
runs.&lt;/p&gt;</content:encoded>
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