CVE-2022-50169: wifi: wil6210: debugfs: fix info leak in wil_write_file_wmi()
Vulnerability summary
CVE-2022-50169 is a high (CVSS 7.1) Missing Initialization of Resource vulnerability in linux. EPSS estimates a 0.26% chance of exploitation in the next 30 days, higher than 17.7% of scored vulnerabilities.
Not severe (CVSS 7.1, local access); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 6 · Related 6Timeline
- 18-06-2025PublishedVulnerability first disclosed.
- 11-05-2026Last modifiedVulnerability information updated.
Description
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().
CVSS metrics
3 scores · 3 sources · 1 version- OSV · UbuntuEcosystem advisory · calculated7.1HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H
- OSV · DebianEcosystem advisory · calculated7.1HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H
EPSS trend
Probability
0.26%
Chance of exploitation in the next 30 days
Percentile
18%
Versus all other CVEs
30-day change
Increase +0.01 pp
From 0.25% on 04-10-2026
Known exploited
Compare KEV catalogs
CISA KEVNot in the CISA KEV catalog.
ENISA CNWNot in the ENISA CNW catalog.
CIRCLNot in the CIRCL catalog.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Known conditions: local access, low-privilege account, no user interaction (CVSS vector). Other conditions: not stated in public data.
Ubuntu111 products
- linuxAll versions (No fix recorded) | < 4.15.0-197.208 | < 5.4.0-132.148 | < 5.15.0-53.59
- linux-allwinner-5.19All versions (No fix recorded)
- linux-awsAll versions (No fix recorded) | < 4.15.0-1143.155 | < 5.4.0-1089.97 | < 5.15.0-1023.27
- linux-aws-5.0All versions (No fix recorded)
- linux-aws-5.11All versions (No fix recorded)
Linux2 products
- linux≥ ff974e4083341383d3dd4079e52ed30f57f376f0, < c1216e699a1ce83ea005510844bd7508d34c6cef | ≥ ff974e4083341383d3dd4079e52ed30f57f376f0, < 4615458db7793fadc6d546ac3564b36819e77a22 | ≥ ff974e4083341383d3dd4079e52ed30f57f376f0, < 60c9983425167ec5073c628d83a6875760d18059 | ≥ ff974e4083341383d3dd4079e52ed30f57f376f0, < 05ceda14ef7c73104e709c414c3680d8a59f51d4 | ≥ ff974e4083341383d3dd4079e52ed30f57f376f0, < 074e865b37da55aa87baa16d68b96896f85f8adb | ≥ ff974e4083341383d3dd4079e52ed30f57f376f0, < 789edc1af9c1a2293956e8534bfef3d18d629de9 | ≥ ff974e4083341383d3dd4079e52ed30f57f376f0, < 67470920cd3f3cb38699b1ad23234f96bead4d21 | ≥ ff974e4083341383d3dd4079e52ed30f57f376f0, < 7a4836560a6198d245d5732e26f94898b12eb760 | 3.17
- linux_kernel≥ 3.17, < 4.14.291 | ≥ 4.15, < 4.19.256 | ≥ 4.20, < 5.4.211 | ≥ 5.5, < 5.10.137 | ≥ 5.11, < 5.15.61 | ≥ 5.16, < 5.18.18 | ≥ 5.19, < 5.19.2
Debian1 product
- linux< 6.0.2-1
3 vendors · 114 products
