Vulnerabilities
Vulnerable Software

Vulnerability Details CVE-2026-45989

In the Linux kernel, the following vulnerability has been resolved: of: unittest: fix use-after-free in testdrv_probe() The function testdrv_probe() retrieves the device_node from the PCI device, applies an overlay, and then immediately calls of_node_put(dn). This releases the reference held by the PCI core, potentially freeing the node if the reference count drops to zero. Later, the same freed pointer 'dn' is passed to of_platform_default_populate(), leading to a use-after-free. The reference to pdev->dev.of_node is owned by the device model and should not be released by the driver. Remove the erroneous of_node_put() to prevent premature freeing.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.002
EPSS Ranking 9.9%
CVSS Severity
CVSS v3 Score 7.8
Products affected by CVE-2026-45989


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