wifi: wil6210: debugfs: fix info leak in wil_write_file_wmi()
Priority LOW 31CWE-909Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- High · None · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA.
Summary
In the Linux kernel, the following vulnerability has been resolved: wifi: wil6210: debugfs: fix info leak in wil_write_file_wmi() The simple_write_to_buffer() function will succeed if even a single byte is initialized. However, we need to initialize the whole buffer to prevent information leaks. Just use memdup_user().
Why it matters now
EPSS 0.0026 17th percentileScored 2026-11-07
Fix Fixed Linux (Linux): 4.14.291, 4.19.256, 5.4.211 +5
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 | 3.17 and later | 4.14.291, 4.19.256, 5.4.211, 5.10.137, 5.15.61, 5.18.18, 5.19.2, 6.0 | Patch available | CNA |
- Linux VendorLinux Affected 3.17 and later Fixed in 4.14.291, 4.19.256, 5.4.211, 5.10.137, 5.15.61, 5.18.18, 5.19.2, 6.0 Patch available CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | 3.17 to before 4.14.291; 4.15 to before 4.19.256; 4.20 to before 5.4.211; 5.5 to before 5.10.137; 5.11 to before 5.15.61; 5.16 to before 5.18.18; 5.19 to before 5.19.2 | Vulnerable | Linux |
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* Versions 3.17 to before 4.14.291; 4.15 to before 4.19.256; 4.20 to before 5.4.211; 5.5 to before 5.10.137; 5.11 to before 5.15.61; 5.16 to before 5.18.18; 5.19 to before 5.19.2 Vulnerable ·Linux
Remediation
- Fix · CNA Linux (Linux) Fixed in 4.14.291, 4.19.256, 5.4.211, 5.10.137, 5.15.61, 5.18.18, 5.19.2, 6.0
Vendor assessments
Red Hat
Red Hat rating: Moderate. 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-2022-50169
- 2026-10-03 Alias added: GHSA-3g5v-28p4-h3v9
References
Patch 8
- https://git.kernel.org/stable/c/c1216e699a1ce83ea005510844bd7508d34c6cef
- https://git.kernel.org/stable/c/4615458db7793fadc6d546ac3564b36819e77a22
- https://git.kernel.org/stable/c/60c9983425167ec5073c628d83a6875760d18059
- https://git.kernel.org/stable/c/05ceda14ef7c73104e709c414c3680d8a59f51d4
- https://git.kernel.org/stable/c/074e865b37da55aa87baa16d68b96896f85f8adb
- https://git.kernel.org/stable/c/789edc1af9c1a2293956e8534bfef3d18d629de9
- https://git.kernel.org/stable/c/67470920cd3f3cb38699b1ad23234f96bead4d21
- https://git.kernel.org/stable/c/7a4836560a6198d245d5732e26f94898b12eb760
More Linux Kernel vulnerabilities
- TI-2025-26358 tls: fix handling of zero-length records on the rx_list KEVCVSS 3.1CRITICAL 9.8
- TI-2026-38352 netfilter: bridge: make ebt_snat ARP rewrite writable KEVCVSS 3.1HIGH 8.8
- 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
- TI-2022-00125 Integer overflow in kernel KEVCVSS 3.1HIGH 8.4
- TI-2013-01864 The perf_swevent_init function in kernel/events/core.c in the Linux kernel before 3.8.9… KEVCVSS 3.1HIGH 8.4
- TI-2021-05514 Heap Out-Of-Bounds Write in Netfilter IP6T_SO_SET_REPLACE KEVCVSS 3.1HIGH 8.3
Sources
- CVE-2022-50169 · CVE Program
- CVE-2022-50169 · NVD
- FIRST EPSS
- GHSA-3g5v-28p4-h3v9 · GitHub Advisory Database · CC BY 4.0
- CVE-2022-50169 · 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