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    <title>Most recent entries from all</title>
    <link>https://vulnerability.circl.lu</link>
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    <lastBuildDate>Tue, 29 Sep 2026 13:46:57 +0000</lastBuildDate>
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      <title>CVE-2023-53175 — PCI: hv: Fix a crash in hv_pci_restore_msi_msg() during hibernation</title>
      <link>https://vulnerability.circl.lu/vuln/cve-2023-53175</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: hv: Fix a crash in hv_pci_restore_msi_msg() during hibernation&lt;/p&gt;
&lt;p&gt;When a Linux VM with an assigned PCI device runs on Hyper-V, if the PCI
device driver is not loaded yet (i.e. MSI-X/MSI is not enabled on the
device yet), doing a VM hibernation triggers a panic in
hv_pci_restore_msi_msg() -&amp;gt; msi_lock_descs(&amp;amp;pdev-&amp;gt;dev), because
pdev-&amp;gt;dev.msi.data is still NULL.&lt;/p&gt;
&lt;p&gt;Avoid the panic by checking if MSI-X/MSI is enabled.&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: hv: Fix a crash in hv_pci_restore_msi_msg() during hibernation&lt;/p&gt;
&lt;p&gt;When a Linux VM with an assigned PCI device runs on Hyper-V, if the PCI
device driver is not loaded yet (i.e. MSI-X/MSI is not enabled on the
device yet), doing a VM hibernation triggers a panic in
hv_pci_restore_msi_msg() -&amp;gt; msi_lock_descs(&amp;amp;pdev-&amp;gt;dev), because
pdev-&amp;gt;dev.msi.data is still NULL.&lt;/p&gt;
&lt;p&gt;Avoid the panic by checking if MSI-X/MSI is enabled.&lt;/p&gt;</content:encoded>
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