wifi: iwlwifi: Fix error code in iwl_op_mode_dvm_start()
Key facts
- Attack vector
- Local
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-416 and the CVSS impact.
Summary
In the Linux kernel, the following vulnerability has been resolved: wifi: iwlwifi: Fix error code in iwl_op_mode_dvm_start() Preserve the error code if iwl_setup_deferred_work() fails. The current code returns ERR_PTR(0) (which is NULL) on this path. I believe the missing error code potentially leads to a use after free involving debugfs.
Why it matters now
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Linux | Linux | 5.4.297 to before 5.5; 5.10.241 to before 5.11; 5.15.190 to before 5.16; 6.1.148 to before 6.2 | 5.5, 5.11, 5.16, 6.2 | Patch available | CNA |
| Linux | Linux | 6.6.102 to before 6.6.160; 6.12.42 to before 6.12.114 | 6.6.160, 6.12.114 | Patch available | CNA |
- Linux VendorLinux Affected 5.4.297 to before 5.5; 5.10.241 to before 5.11; 5.15.190 to before 5.16; 6.1.148 to before 6.2 Fixed in 5.5, 5.11, 5.16, 6.2 Patch available CNA
- Linux VendorLinux Affected 6.6.102 to before 6.6.160; 6.12.42 to before 6.12.114 Fixed in 6.6.160, 6.12.114 Patch available CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | 5.4.297 to before 5.5; 5.10.241 to before 5.11; 5.15.190 to before 5.16; 6.1.148 to before 6.2; 6.6.102 to before 6.7; 6.12.42 to before 6.13 | Vulnerable | Linux |
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* Versions 5.4.297 to before 5.5; 5.10.241 to before 5.11; 5.15.190 to before 5.16; 6.1.148 to before 6.2; 6.6.102 to before 6.7; 6.12.42 to before 6.13 Vulnerable ·Linux
Remediation
- Fix · CNA Linux (Linux) Fixed in 5.5, 5.11, 5.16, 6.2
- Fix · CNA Linux (Linux) Fixed in 6.6.160, 6.12.114
Vendor assessments
Red Hat
Red Hat rating: Low. Red Hat's page for this CVE →
Not affected: 5 products
- Red Hat Enterprise Linux 10
- Red Hat Enterprise Linux 6
- Red Hat Enterprise Linux 7
- Red Hat Enterprise Linux 8
- Red Hat Enterprise Linux 9
Timeline
- 2026-10-02 Threatist record created from CVE-2025-38656
- 2026-10-03 Alias added: GHSA-6g9x-rpr5-4qrw
- 2026-10-21 Fix available: Linux/Linux@5c432da1ee191e9f7830dd516456706063d7bec3, Linux/[email protected], Linux/[email protected] +1 · CNA
- 2026-10-21 2 new references · CNA
- 2026-11-07 Affected versions changed · Red Hat
References
Patch 3
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- TI-2013-05264 The (1) get_user and (2) put_user API functions in the Linux kernel before 3.5.5 on the… KEVCVSS 3.1HIGH 8.8
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- TI-2021-05514 Heap Out-Of-Bounds Write in Netfilter IP6T_SO_SET_REPLACE KEVCVSS 3.1HIGH 8.3
Sources
- CVE-2025-38656 · CVE Program
- CVE-2025-38656 · NVD
- FIRST EPSS
- GHSA-6g9x-rpr5-4qrw · GitHub Advisory Database · CC BY 4.0
- CVE-2025-38656 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences