CVE-2025-48769

CWE-416 — Use After Free3 documents3 sources
Severity
8.1HIGH
EPSS
0.0%
top 94.39%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
2
Apache Software Foundation Apache Nuttx RtosApache Nuttx
Timeline
PublishedJan 1

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 w…

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:HExploitability: 2.8 | Impact: 5.2

Affected Packages2 packages

▶NVDapache/nuttx7.20 — 12.11.0

🔴Vulnerability Details

2
GHSA
GHSA-mrp2-wx3j-867f: 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↗2026-01-01
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CVEList
Apache NuttX RTOS: fs/vfs/fs_rename: use after free↗2026-01-01
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CVE-2025-48769 (HIGH CVSS 8.1) | Use After Free vulnerability was di | cvebase.io