CVE-2025-40059
Unknown Unknown - Not Provided
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: coresight: Fix incorrect handling for return value of devm_kzalloc The return value of devm_kzalloc could be an null pointer, use "!desc.pdata" to fix incorrect handling return value of devm_kzalloc.
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Meta Information
Published
2025-10-28
Last Modified
2025-10-30
Generated
2026-06-16
AI Q&A
2025-10-28
EPSS Evaluated
2026-06-14
NVD
CVE-2025-40059
Affected Vendors & Products
Showing 1 associated CPE
Vendor Product Version / Range
linux linux_kernel *
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CWE ID Description
CWE-UNKNOWN
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Executive Summary

This vulnerability in the Linux kernel involves incorrect handling of the return value from the function devm_kzalloc in the coresight component. Specifically, devm_kzalloc could return a null pointer, and the code did not properly check for this condition. The fix involves using "!desc.pdata" to correctly handle the null return value, preventing potential issues caused by dereferencing a null pointer.

Impact Analysis

If the return value of devm_kzalloc is not properly checked and is null, it could lead to null pointer dereferences in the Linux kernel, potentially causing system crashes or instability. This could impact system reliability and availability.

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