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CVE-2025-40226

firmware: arm_scmi: Account for failed debug initialization

EPSS 0.2%
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.
Affected products
Linux · Linux

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References
https://git.kernel.org/stable/c/2290ab43b9d8eafb8046387f10a8dfa2b030ba46https://git.kernel.org/stable/c/554c9d5c6c695aedaecfb4365c187102709397b0https://git.kernel.org/stable/c/d719ce9f286c439795cd2beee4c91f12b84bc5a0https://git.kernel.org/stable/c/e088efcd97cb7c7297d166bb52c3b87a29f6a0b1