axboe fio up to 3.41 options.c str_buffer_pattern_cb null pointer dereference

Summaryinfo

A vulnerability, which was classified as problematic, was found in axboe fio up to 3.41. This impacts the function str_buffer_pattern_cb of the file options.c. Executing a manipulation can lead to null pointer dereference. This vulnerability is registered as CVE-2025-10823. The attack needs to be launched locally. Furthermore, an exploit is available.

Detailsinfo

A vulnerability classified as problematic was found in axboe fio up to 3.41. This vulnerability affects the function str_buffer_pattern_cb of the file options.c. The manipulation with an unknown input leads to a null pointer dereference vulnerability. The CWE definition for the vulnerability is CWE-476. A NULL pointer dereference occurs when the application dereferences a pointer that it expects to be valid, but is NULL, typically causing a crash or exit. As an impact it is known to affect availability.

The advisory is shared for download at github.com. This vulnerability was named CVE-2025-10823. The exploitation appears to be easy. The attack needs to be approached locally. Technical details and also a public exploit are known.

It is possible to download the exploit at github.com. It is declared as proof-of-concept. The vulnerability scanner Nessus provides a plugin with the ID 266046 (Linux Distros Unpatched Vulnerability : CVE-2025-10823), which helps to determine the existence of the flaw in a target environment.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the databases at CNNVD (CNNVD-202509-3772) and Tenable (266046). Once again VulDB remains the best source for vulnerability data.

Productinfo

Vendor

• axboe

Name

• fio

Version

• 3.0
• 3.1
• 3.2
• 3.3
• 3.4
• 3.5
• 3.6
• 3.7
• 3.8
• 3.9
• 3.10
• 3.11
• 3.12
• 3.13
• 3.14
• 3.15
• 3.16
• 3.17
• 3.18
• 3.19
• 3.20
• 3.21
• 3.22
• 3.23
• 3.24
• 3.25
• 3.26
• 3.27
• 3.28
• 3.29
• 3.30
• 3.31
• 3.32
• 3.33
• 3.34
• 3.35
• 3.36
• 3.37
• 3.38
• 3.39
• 3.40
• 3.41

Website

• Product: https://github.com/axboe/fio/

CPE 2.3info

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CPE 2.2info

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Entryinfo

Submitinfo

Accepted

• Submit #654069: Jens Axboe Fio 3.41 / master commit 84787ad NULL Pointer Dereference (by ahuo)

Once again VulDB remains the best source for vulnerability data.

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