CVE-2025-10823
axboe fio options.c str_buffer_pattern_cb null pointer dereference
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.
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- None
- Availability
- Low
Exploit likelihood
What each source reports
CVE List Score used
axboe fio options.c str_buffer_pattern_cb null pointer dereference
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.
- Record
CVE-2025-10823- CVSS 4.0
- 4.8 Medium
CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P - CVSS 3.1
- 3.3 Low
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:X/RC:R - CVSS 3.0
- 3.3 Low
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:X/RC:R - CVSS 2.0
- 1.7
AV:L/AC:L/Au:S/C:N/I:N/A:P/E:POC/RL:ND/RC:UR - Weakness
- CWE-476, CWE-404
- Updated
- 2026-11-02
EUVDEUVD-2025-30438
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.
- Record
EUVD-2025-30438- CVSS 4.0
- 4.8 Medium
CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-fg45-43v5-3rqm
A vulnerability was found in axboe fio up to 3.41. This affects the function...
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.
- Record
GHSA-fg45-43v5-3rqm- CVSS 4.0
- 1.9 Low
CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X - CVSS 3.1
- 3.3 Low
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L - Weakness
- CWE-404
- Updated
- 2026-11-02
NVD
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.
- Record
CVE-2025-10823- CVSS 4.0
- 1.9 Low
CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X - CVSS 3.1
- 3.3 Low
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L - CVSS 2.0
- 1.7 Low
AV:L/AC:L/Au:S/C:N/I:N/A:P - Weakness
- CWE-404, CWE-476
- Updated
- 2026-11-02
OSV
axboe fio options.c str_buffer_pattern_cb null pointer dereference
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.
- Record
CVE-2025-10823- CVSS 4.0
- 1.9 Low
CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P - Weakness
- CWE-404, CWE-476
- Updated
- 2026-11-02
OSVDEBIAN-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.
- Record
DEBIAN-CVE-2025-10823- CVSS 4.0
- 1.9 Low
CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X - Updated
- 2026-11-02
OSVUBUNTU-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.
- Record
UBUNTU-CVE-2025-10823- CVSS 4.0
- 1.9 Low
CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P - CVSS 3.1
- 3.3 Low
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L - Updated
- 2026-11-02
OSVAZL-67625 No score
CVE-2025-10823 affecting package fio for versions less than 3.37-3
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.
- Record
AZL-67625- Updated
- 2026-11-05
OSVAZL-67664 No score
CVE-2025-10823 affecting package fio for versions less than 3.30-3
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.
- Record
AZL-67664- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
fioAzure Linux:3 |
before 3.37-3 | 3.37-3 |
fioAzure Linux:2 |
before 3.30-3 | 3.30-3 |
fioDebian:12 |
All versions, plus listed versions 3.33-33.35-13.35-23.35-33.35-4 Show 6 moreShow less3.36-13.37-13.38-13.39-13.41-13.41-2 |
None known |
fioDebian:13 |
All versions, plus listed versions 3.39-13.41-13.41-2 |
None known |
fioDebian:14 |
All versions, plus listed versions 3.39-13.41-13.41-2 |
None known |
fioUbuntu:14.04:LTS |
All versions, plus listed versions 2.0.8-22.1.3-1 |
None known |
fioUbuntu:16.04:LTS |
All versions, plus listed versions 2.1.11-22.2.10-12.2.10-1ubuntu1 |
None known |
fioUbuntu:18.04:LTS |
All versions, plus listed versions 2.16-13.1-1 |
None known |
fioUbuntu:20.04:LTS |
All versions, plus listed versions 3.12-23.16-1 |
None known |
fioUbuntu:22.04:LTS |
All versions, plus listed versions 3.25-23.28-1 |
None known |
Show 4 moreShow less
| Package | Affected | Fixed |
|---|---|---|
fioUbuntu:24.04:LTS |
All versions, plus listed versions 3.35-23.36-13.36-1build13.36-1build23.36-1ubuntu0.1 |
None known |
fioUbuntu:25.10 |
All versions, plus listed versions 3.38-13.39-1 |
None known |
fioUbuntu:26.10 |
All versions, plus listed versions 3.41-2 |
None known |
fioUbuntu:26.04:LTS |
All versions, plus listed versions 3.39-13.41-2 |
None known |
History
| Recorded | Changed | Sources |
|---|---|---|
| facts | OSV | |
| first indexed | CVE List, EUVD, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2025-10823 is a medium vulnerability (CVSS 4.8) in Axboe Fio, published September 22, 2025. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.15%, the 4th percentile. Fixed in fio 3.37-3.