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I. Basic Information for CVE-2025-9408
Vulnerability Information
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Vulnerability Title
Userspace privilege escalation vulnerability on Cortex M
Source: NVD (National Vulnerability Database)
Vulnerability 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.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
特权上下文切换错误
Source: NVD (National Vulnerability Database)
Vulnerability Title
Zephyr 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Zephyr是Zephyr开源的一个可扩展的实时操作系统 (RTOS)。 Zephyr存在安全漏洞，该漏洞源于系统调用入口存在竞争条件，可能导致恶意用户空间进程进行权限提升。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
VendorProductAffected VersionsCPESubscribe
zephyrproject-rtosZephyr * ~ 4.2 -
II. Public POCs for CVE-2025-9408
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III. Intelligence Information for CVE-2025-9408
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IV. Related Vulnerabilities
Same product: Zephyr
Same vendor: zephyrproject-rtos
Same weakness: CWE-270
V. Comments for CVE-2025-9408

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