CVE-2024-56689

CVSS 3.1 Score 5.5 of 10 (medium)

Details

Published Dec 28, 2024
Updated: Jan 8, 2025
CWE ID 476

Summary

CVE-2024-56689 is a vulnerability affecting the Linux kernel. This issue involves the PCI endpoint's epf-mhi subsystem where a NULL dereference can occur if the Device Tree (DT) lacks the 'mmio' property for the MHI endpoint. If platform_get_resource_byname() fails and returns NULL, attempting to dereference res->start will cause a NULL pointer access. The vulnerability has been resolved by adding a check to prevent this NULL dereference.

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