CVE-2022-50169

wifi: wil6210: debugfs: fix info leak in wil_write_file_wmi()

HIGH
7.1
CVSS Score
Published: June 18, 2025 at 11:03 AM UTC
Updated: June 17, 2026 at 05:22 AM UTC
1 product affected across 1 vendorLinux Kernel

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Severity
HIGH7.1
Exploit prediction
EPSS 0.3%

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().

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

3.17 ≤ v < 4.14.2913.17 ≤ v < 4.19.2563.17 ≤ v < 5.10.1373.17 ≤ v < 5.15.613.17 ≤ v < 5.18.183.17 ≤ v < 5.19.23.17 ≤ v < 5.4.2113.17 ≤ v < 6.04.15 ≤ v < 4.19.2564.20 ≤ v < 5.4.2115.11 ≤ v < 5.15.615.16 ≤ v < 5.18.185.19 ≤ v < 5.19.25.5 ≤ v < 5.10.1373.17ff974e4083341383d3dd4079e52ed30f57f376f0
Vendor states this is fixed in 05ceda14ef7c73104e709c414c3680d8a59f51d4 (fixed)
Vendor states this is fixed in 074e865b37da55aa87baa16d68b96896f85f8adb (fixed)
Vendor states this is fixed in 4615458db7793fadc6d546ac3564b36819e77a22 (fixed)
Vendor states this is fixed in 60c9983425167ec5073c628d83a6875760d18059 (fixed)
Vendor states this is fixed in 67470920cd3f3cb38699b1ad23234f96bead4d21 (fixed)
Vendor states this is fixed in 789edc1af9c1a2293956e8534bfef3d18d629de9 (fixed)
Vendor states this is fixed in 7a4836560a6198d245d5732e26f94898b12eb760 (fixed)
Vendor states this is fixed in c1216e699a1ce83ea005510844bd7508d34c6cef (fixed)
Vendor states this is fixed in 3.17 (unaffected)
Vendor states this is fixed in 4.14.291 (unaffected)
Vendor states this is fixed in 4.19.256 (unaffected)
Vendor states this is fixed in 5.10.137 (unaffected)
Vendor states this is fixed in 5.15.61 (unaffected)
Vendor states this is fixed in 5.18.18 (unaffected)
Vendor states this is fixed in 5.19.2 (unaffected)
Vendor states this is fixed in 5.4.211 (unaffected)
Vendor states this is fixed in 6.0 (unaffected)

References (8)

Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/05ceda14ef7c73104e709c414c3680d8a59f51d4
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/074e865b37da55aa87baa16d68b96896f85f8adb
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/4615458db7793fadc6d546ac3564b36819e77a22
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/60c9983425167ec5073c628d83a6875760d18059
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/67470920cd3f3cb38699b1ad23234f96bead4d21
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/789edc1af9c1a2293956e8534bfef3d18d629de9
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/7a4836560a6198d245d5732e26f94898b12eb760
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/c1216e699a1ce83ea005510844bd7508d34c6cef

CVSS

Attack Vector
LOCAL
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusANALYZED
CWE
CWE-909

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