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    <title>Most recent entries from all</title>
    <link>https://vulnerability.circl.lu</link>
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    <lastBuildDate>Tue, 06 Oct 2026 21:36:59 +0000</lastBuildDate>
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      <title>CVE-2026-80621 — PCI: dwc: Avoid dwc_pcie_rasdes_debugfs_deinit() NULL dereference when no RAS DES capability</title>
      <link>https://vulnerability.circl.lu/vuln/cve-2026-80621</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;PCI: dwc: Avoid dwc_pcie_rasdes_debugfs_deinit() NULL dereference when no RAS DES capability&lt;/p&gt;
&lt;p&gt;dwc_pcie_rasdes_debugfs_init() returns success when the controller has no
RAS DES capability, leaving pci-&amp;gt;debugfs-&amp;gt;rasdes_info unset. The common
debugfs teardown path still calls dwc_pcie_rasdes_debugfs_deinit(), which
dereferences rasdes_info unconditionally.&lt;/p&gt;
&lt;p&gt;Return early when no RAS DES state was allocated. In that case no RAS DES
mutex was initialized, so there is nothing to destroy.&lt;/p&gt;
&lt;p&gt;[mani: reworded subject]&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;PCI: dwc: Avoid dwc_pcie_rasdes_debugfs_deinit() NULL dereference when no RAS DES capability&lt;/p&gt;
&lt;p&gt;dwc_pcie_rasdes_debugfs_init() returns success when the controller has no
RAS DES capability, leaving pci-&amp;gt;debugfs-&amp;gt;rasdes_info unset. The common
debugfs teardown path still calls dwc_pcie_rasdes_debugfs_deinit(), which
dereferences rasdes_info unconditionally.&lt;/p&gt;
&lt;p&gt;Return early when no RAS DES state was allocated. In that case no RAS DES
mutex was initialized, so there is nothing to destroy.&lt;/p&gt;
&lt;p&gt;[mani: reworded subject]&lt;/p&gt;</content:encoded>
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