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CVE-2025-40226
firmware: arm_scmi: Account for failed debug initialization
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.

INFO

Published Date :

Dec. 4, 2025, 4:16 p.m.

Last Modified :

Dec. 4, 2025, 5:15 p.m.

Remotely Exploit :

No

Source :

416baaa9-dc9f-4396-8d5f-8c081fb06d67
Affected Products

The following products are affected by CVE-2025-40226 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Linux linux_kernel
: Total Affected Vendor : 1 | Products : 1
Solution
Handle SCMI debug initialization failures to prevent NULL descriptor issues.
  • Update the Linux kernel to include the SCMI debug fix.
  • Ensure proper initialization of SCMI debug subsystems.
  • Verify metrics counters are maintained correctly.
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2025-40226.

URL Resource
https://git.kernel.org/stable/c/2290ab43b9d8eafb8046387f10a8dfa2b030ba46
https://git.kernel.org/stable/c/554c9d5c6c695aedaecfb4365c187102709397b0
https://git.kernel.org/stable/c/d719ce9f286c439795cd2beee4c91f12b84bc5a0
https://git.kernel.org/stable/c/e088efcd97cb7c7297d166bb52c3b87a29f6a0b1
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2025-40226 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2025-40226 weaknesses.

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2025-40226 vulnerability anywhere in the article.

Results are limited to the first 20 news articles due to potential performance issues.

The following table lists the changes that have been made to the CVE-2025-40226 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • New CVE Received by 416baaa9-dc9f-4396-8d5f-8c081fb06d67

    Dec. 04, 2025

    Action Type Old Value New Value
    Added 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.
    Added Reference https://git.kernel.org/stable/c/2290ab43b9d8eafb8046387f10a8dfa2b030ba46
    Added Reference https://git.kernel.org/stable/c/554c9d5c6c695aedaecfb4365c187102709397b0
    Added Reference https://git.kernel.org/stable/c/d719ce9f286c439795cd2beee4c91f12b84bc5a0
    Added Reference https://git.kernel.org/stable/c/e088efcd97cb7c7297d166bb52c3b87a29f6a0b1
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
Vulnerability Scoring Details
No CVSS metrics available for this vulnerability.