CVE-2025-9810
TOCTOU race in Linenoise enables arbitrary file overwrite and permission changes
Description
TOCTOU in linenoiseHistorySave in linenoise allows local attackers to overwrite arbitrary files and change permissions via a symlink race between fopen("w") on the history path and subsequent chmod() on the same path.
INFO
Published Date :
Sept. 1, 2025, 7:15 p.m.
Last Modified :
Sept. 2, 2025, 3:55 p.m.
Remotely Exploit :
No
Source :
96148269-fe82-4198-b1bf-3a73ce8bc92e
Affected Products
The following products are affected by CVE-2025-9810
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
No affected product recoded yet
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 3.1 | MEDIUM | 96148269-fe82-4198-b1bf-3a73ce8bc92e | ||||
| CVSS 3.1 | MEDIUM | MITRE-CVE |
Solution
- Review and secure file access patterns.
- Implement atomic file operations.
- Validate file paths rigorously.
- Remove susceptible file handles promptly.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2025-9810.
| URL | Resource |
|---|---|
| https://github.com/antirez/linenoise/blob/master/linenoise.c#L1321 | |
| https://github.com/antirez/linenoise/pull/202 |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2025-9810 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2025-9810
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2025-9810 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2025-9810 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
New CVE Received by 96148269-fe82-4198-b1bf-3a73ce8bc92e
Sep. 01, 2025
Action Type Old Value New Value Added Description TOCTOU in linenoiseHistorySave in linenoise allows local attackers to overwrite arbitrary files and change permissions via a symlink race between fopen("w") on the history path and subsequent chmod() on the same path. Added CVSS V3.1 AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:L Added CWE CWE-367 Added Reference https://github.com/antirez/linenoise/blob/master/linenoise.c#L1321 Added Reference https://github.com/antirez/linenoise/pull/202