CVE-2025-68176
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BaseFortify

Publication date: 2025-12-16

Last updated on: 2025-12-18

Assigner: kernel.org

Description
In the Linux kernel, the following vulnerability has been resolved: PCI: cadence: Check for the existence of cdns_pcie::ops before using it cdns_pcie::ops might not be populated by all the Cadence glue drivers. This is going to be true for the upcoming Sophgo platform which doesn't set the ops. Hence, add a check to prevent NULL pointer dereference. [mani: reworded subject and description]
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Meta Information
Published
2025-12-16
Last Modified
2025-12-18
Generated
2026-05-07
AI Q&A
2025-12-16
EPSS Evaluated
2026-05-05
NVD
CVE-2025-68176
Affected Vendors & Products
Currently, no data is known.
Helpful Resources
Exploitability
CWE
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KEV
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CWE ID Description
CWE-UNKNOWN
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?

This vulnerability involves the Linux kernel's PCI cadence driver where the cdns_pcie::ops structure might not be initialized (populated) by all Cadence glue drivers, such as the upcoming Sophgo platform. Without checking if cdns_pcie::ops exists before using it, the kernel could dereference a NULL pointer, leading to potential crashes or instability. The fix adds a check to prevent this NULL pointer dereference.


How can this vulnerability impact me? :

If exploited or triggered, this vulnerability can cause the Linux kernel to dereference a NULL pointer, which may result in system crashes, instability, or denial of service. This could affect system reliability and availability on affected platforms using the Cadence PCIe driver without the proper checks.


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