CVE-2025-9408
HIGH EPSS 1.1%
Published Nov 11, 20257mo ago · Modified Jun 17, 20261w ago
8.1 CVSS 3.1
Published Nov 11, 2025 7mo ago
Last Modified Jun 17, 2026 1w ago
Description
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.
CVSS Details
Base Score
Exploitability
Impact
Vector string
CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H Attack Vector Local
Attack Complexity High
Privileges Required None
User Interaction None
Scope Changed
Confidentiality High
Integrity High
Availability High
Threat Intelligence
EPSS Exploit Probability
1.1% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available
Weaknesses 1
CWE-270
References 1
- github.com https://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-3r6j-5mp3-75wr
Remediation
No remediation data recorded yet
Check vendor advisories and the NVD entry for patch availability.