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    <title>Most recent entries from all</title>
    <link>https://vulnerability.circl.lu</link>
    <description>Contains only the most 10 recent entries.</description>
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    <lastBuildDate>Sun, 04 Oct 2026 05:21:04 +0000</lastBuildDate>
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      <title>CVE-2026-43353 — i3c: mipi-i3c-hci: Fix race in DMA ring dequeue</title>
      <link>https://vulnerability.circl.lu/vuln/cve-2026-43353</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;i3c: mipi-i3c-hci: Fix race in DMA ring dequeue&lt;/p&gt;
&lt;p&gt;The HCI DMA dequeue path (hci_dma_dequeue_xfer()) may be invoked for
multiple transfers that timeout around the same time.  However, the
function is not serialized and can race with itself.&lt;/p&gt;
&lt;p&gt;When a timeout occurs, hci_dma_dequeue_xfer() stops the ring, processes
incomplete transfers, and then restarts the ring.  If another timeout
triggers a parallel call into the same function, the two instances may
interfere with each other - stopping or restarting the ring at unexpected
times.&lt;/p&gt;
&lt;p&gt;Add a mutex so that hci_dma_dequeue_xfer() is serialized with respect to
itself.&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;i3c: mipi-i3c-hci: Fix race in DMA ring dequeue&lt;/p&gt;
&lt;p&gt;The HCI DMA dequeue path (hci_dma_dequeue_xfer()) may be invoked for
multiple transfers that timeout around the same time.  However, the
function is not serialized and can race with itself.&lt;/p&gt;
&lt;p&gt;When a timeout occurs, hci_dma_dequeue_xfer() stops the ring, processes
incomplete transfers, and then restarts the ring.  If another timeout
triggers a parallel call into the same function, the two instances may
interfere with each other - stopping or restarting the ring at unexpected
times.&lt;/p&gt;
&lt;p&gt;Add a mutex so that hci_dma_dequeue_xfer() is serialized with respect to
itself.&lt;/p&gt;</content:encoded>
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