Bug 2418833 (CVE-2025-40226) - CVE-2025-40226 kernel: firmware: arm_scmi: Account for failed debug initialization
Summary: CVE-2025-40226 kernel: firmware: arm_scmi: Account for failed debug initializ...
Keywords:
Status: NEW
Alias: CVE-2025-40226
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
unspecified
unspecified
Target Milestone: ---
Assignee: Product Security DevOps Team
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Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2025-12-04 16:03 UTC by OSIDB Bzimport
Modified: 2025-12-19 12:43 UTC (History)
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Description OSIDB Bzimport 2025-12-04 16:03:12 UTC 
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.
Comment 1 Alexander B 2025-12-05 15:24:01 UTC 
Upstream advisory:
https://lore.kernel.org/linux-cve-announce/2025120458-CVE-2025-40226-4909@gregkh/T
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