CVE-2025-48769— Apache NuttX RTOS: fs/vfs/fs_rename: use after free
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I. Basic Information for CVE-2025-48769
Vulnerability Information
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Vulnerability Title
Apache NuttX RTOS: fs/vfs/fs_rename: use after free
Source: NVD (National Vulnerability Database)
Vulnerability Description
Use After Free vulnerability was discovered in fs/vfs/fs_rename code of the Apache NuttX RTOS, that due recursive implementation and single buffer use by two different pointer variables allowed arbitrary user provided size buffer reallocation and write to the previously freed heap chunk, that in specific cases could cause unintended virtual filesystem rename/move operation results. This issue affects Apache NuttX RTOS: from 7.20 before 12.11.0. Users of virtual filesystem based services with write access especially when exposed over the network (i.e. FTP) are affected and recommended to upgrade to version 12.11.0 that fixes the issue.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
释放后使用
Source: NVD (National Vulnerability Database)
Vulnerability Title
Apache NuttX 资源管理错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Apache NuttX是美国阿帕奇（Apache）基金会的一套实时嵌入式操作系统。 Apache NuttX 12.11.0之前版本存在资源管理错误漏洞，该漏洞源于释放后重用，可能导致虚拟文件系统重命名或移动操作结果异常。
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
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| Apache Software Foundation | Apache NuttX RTOS | 7.20 ~ 12.11.0 | - |
II. Public POCs for CVE-2025-48769
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|---|
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Same Patch Batch · Apache Software Foundation · 2026-01-01 · 3 CVEs total
| CVE-2025-47411 | Apache StreamPipes: Leverage of User ID for Privilege Escalation | |
| CVE-2025-48768 | Apache NuttX RTOS: fs/inode: fs_inoderemove root inode removal |
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