CVE-2023-54326

HighCVSS 7.8/10Last modified Aug 4, 2026

Description

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

misc: pci_endpoint_test: Free IRQs before removing the device

In pci_endpoint_test_remove(), freeing the IRQs after removing the device creates a small race window for IRQs to be received with the test device memory already released, causing the IRQ handler to access invalid memory, resulting in an oops.

Free the device IRQs before removing the device to avoid this issue.

Metrics

CVSS 3.1 7.8/10CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected software

No affected versions have been published.

Timeline

Published
Dec 30, 2025
Last modified
Aug 4, 2026
NVD status
Deferred

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CVE-2023-54326: High severity, CVSS 7.8 | Vulnix