CVE-2023-53175

*** Pendiente de traducción *** In the Linux kernel, the following vulnerability has been resolved:<br /> <br /> PCI: hv: Fix a crash in hv_pci_restore_msi_msg() during hibernation<br /> <br /> When a Linux VM with an assigned PCI device runs on Hyper-V, if the PCI<br /> device driver is not loaded yet (i.e. MSI-X/MSI is not enabled on the<br /> device yet), doing a VM hibernation triggers a panic in<br /> hv_pci_restore_msi_msg() -&gt; msi_lock_descs(&amp;pdev-&gt;dev), because<br /> pdev-&gt;dev.msi.data is still NULL.<br /> <br /> Avoid the panic by checking if MSI-X/MSI is enabled.