BaseFortify

Publication date: 2025-10-28

Last updated on: 2025-10-30

Assigner: kernel.org

Description

In the Linux kernel, the following vulnerability has been resolved: bus: fsl-mc: Check return value of platform_get_resource() platform_get_resource() returns NULL in case of failure, so check its return value and propagate the error in order to prevent NULL pointer dereference.

CVSS Scores

EPSS Scores

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Meta Information

Published

2025-10-28

Last Modified

2025-10-30

Generated

2026-07-06

AI Q&A

2025-10-28

EPSS Evaluated

2026-07-05

NVD

CVE-2025-40029

Affected Vendors & Products

Currently, no data is known.

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-UNKNOWN

Attack-Flow Graph

Executive Summary

This vulnerability occurs in the Linux kernel's fsl-mc bus driver where the function platform_get_resource() can return NULL on failure. The code did not check for this NULL return value, leading to a potential NULL pointer dereference. The fix involves checking the return value and properly handling the error to prevent the NULL pointer dereference.

Impact Analysis

If exploited, this vulnerability could cause the Linux kernel to dereference a NULL pointer, potentially leading to a system crash or denial of service. This could disrupt system availability and stability.

Mitigation Strategies

To mitigate this vulnerability, update the Linux kernel to a version where the issue with bus: fsl-mc and platform_get_resource() return value checking has been fixed. This prevents NULL pointer dereference by ensuring proper error handling.

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