CVE-2025-40226
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BaseFortify

Publication date: 2025-12-04

Last updated on: 2025-12-04

Assigner: kernel.org

Description
In the Linux kernel, the following vulnerability has been resolved: firmware: arm_scmi: Account for failed debug initialization When the SCMI debug subsystem fails to initialize, the related debug root will be missing, and the underlying descriptor will be NULL. Handle this fault condition in the SCMI debug helpers that maintain metrics counters.

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Meta Information

Published
2025-12-04
Last Modified
2025-12-04
Generated
2026-07-06
AI Q&A
2025-12-04
EPSS Evaluated
2026-07-04
NVD
CVE-2025-40226
EUVD
EUVD-2025-201233

Affected Vendors & Products

Currently, no data is known.

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Exploitability

CWE
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KEV
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CWE ID Description
CWE-UNKNOWN

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Executive Summary

This vulnerability occurs in the Linux kernel's firmware component arm_scmi, where the SCMI debug subsystem may fail to initialize properly. When this happens, the related debug root is missing and the underlying descriptor becomes NULL. The issue involves handling this fault condition in the SCMI debug helpers that maintain metrics counters.

Impact Analysis

If the SCMI debug subsystem fails to initialize and the fault condition is not properly handled, it could lead to missing debug information or incorrect metrics counters. This may affect system diagnostics or monitoring related to the SCMI debug subsystem, potentially impacting system reliability or troubleshooting.

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