CVE-2025-9408: System call entry on Cortex M (and possibly R and A, but I think not) has a race which allows very practical privilege escalation for malicious userspace…

PriorityP340high8.1CVSS 3.1

AVLACHPRNUINSCCHIHAH

EPSS

0.10%

1.2th percentile

System call entry on Cortex M (and possibly R and A, but I think not) has a race which allows very practical privilege escalation for malicious userspace processes.

Affected

1 ranges

Vendor	Product	Version range	Fixed in
zephyrproject-rtos	zephyr	* – 4.2	—

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