CVE-2023-53175

MediumCVSS 5.5/10Last modified Jun 17, 2026

Description

In the Linux kernel, the following vulnerability has been resolved:

PCI: hv: Fix a crash in hv_pci_restore_msi_msg() during hibernation

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() -> msi_lock_descs(&pdev->dev), because pdev->dev.msi.data is still NULL.

Avoid the panic by checking if MSI-X/MSI is enabled.

Metrics

CVSS 3.1 5.5/10CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Affected software

VendorProductVersions
LinuxLinux>= dc2b453290c471266a2d56d7ead981e3c5cea05e, < 223fc5352054900f70b8b5e10cfc2f297e70c512; >= dc2b453290c471266a2d56d7ead981e3c5cea05e, < d0687755407b21d252b98dca6be459153a60c62a; >= dc2b453290c471266a2d56d7ead981e3c5cea05e, < e32fc2168aa6b477290392ddbb73d95f012b050c; >= dc2b453290c471266a2d56d7ead981e3c5cea05e, < 04bbe863241a9be7d57fb4cf217ee4a72f480e70
LinuxLinux5.17

References

Timeline

Published
Sep 15, 2025
Last modified
Jun 17, 2026
NVD status
Analyzed

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CVE-2023-53175: Medium severity, CVSS 5.5 | Vulnix