NULL pointer dereference in Axboe Fio
CVE-2025-10823
A vulnerability was found in axboe fio up to 3.41. This affects the function str_buffer_pattern_cb of the file options.c. Performing manipulation results in null pointer dereference. The attack must be initiated from a local position. The exploit has been made public and could be used.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 3.3 (Low). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L.
EPSS exploit prediction
EPSS: 0.001 (3.3th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 3rd percentile — 3.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.001 · newest: 0.001 · change: 0.000
Affected products
- Axboe Fio — versions 3.0, 3.1, 3.2
Weakness classification (CWE)
References
- vuldb.com/ (technical-description, vdb-entry)
- vuldb.com/ (signature, permissions-required)
- vuldb.com/ (third-party-advisory)
- github.com/axboe/fio/issues/1982 (issue-tracking)
- github.com/user-attachments/files/22266964/poc.zip (exploit)
Frequently asked questions
- What is CVE-2025-10823?
- CVE-2025-10823 is a low-severity vulnerability in Axboe Fio, classified under Improper Resource Shutdown or Release. CVSS score: 3.3/10. Published 2025-09-23.
- How severe is CVE-2025-10823?
- Low severity. CVSS v3 base score is 3.3 out of 10.