5.5

CVE-2022-50165: wifi: wil6210: debugfs: fix uninitialized variable use in `wil_write_file_wmi()`

Analyzed
AliasesUBUNTU-CVE-2022-50165DEBIAN-CVE-2022-50165
Published 18-06-2025Last modified 11-05-2026

Vulnerability summary

CVE-2022-50165 is a medium (CVSS 5.5) Use of Uninitialized Resource vulnerability in linux. EPSS estimates a 0.25% chance of exploitation in the next 30 days, higher than 16% of scored vulnerabilities.

Priority
Routine

Not severe (CVSS 5.5, local access); no exploitation reported by the 5 checked sources

Source freshness unavailable

How is this decided?
CVSS score
5.5/10
010
Medium · v3.1 (NVD)
EPSS score
0.25%
0%100%
Low · +0.01 pp in 30 days
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 6 · Related 6
SUSE-SU-2025:02264-1SUSE-SU-2025:02308-1SUSE-SU-2025:02320-1SUSE-SU-2025:02321-1SUSE-SU-2025:02322-1SUSE-SU-2025:02537-1

Timeline

  1. 18-06-2025
    PublishedVulnerability first disclosed.
  2. 11-05-2026
    Last modifiedVulnerability information updated.

Description

In the Linux kernel, the following vulnerability has been resolved: wifi: wil6210: debugfs: fix uninitialized variable use in `wil_write_file_wmi()` Commit 7a4836560a61 changes simple_write_to_buffer() with memdup_user() but it forgets to change the value to be returned that came from simple_write_to_buffer() call. It results in the following warning: warning: variable 'rc' is uninitialized when used here [-Wuninitialized] return rc; ^~ Remove rc variable and just return the passed in length if the memdup_user() succeeds.

CVSS metrics

3 scores · 3 sources · 1 version

EPSS trend

Probability

0.25%

Chance of exploitation in the next 30 days

Percentile

16%

Versus all other CVEs

30-day change

Increase +0.01 pp

From 0.24% on 04-10-2026

04-10-202603-11-2026

Known exploited

Compare KEV catalogs
CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Version check

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, < b13c84e877d7a3095bacb14665db304b2c00e95f | ≥ ff974e4083341383d3dd4079e52ed30f57f376f0, < c9fde3a44da566d8929070ab6bda4f0dfa9955d0 | ≥ ff974e4083341383d3dd4079e52ed30f57f376f0, < 52b11a48cf073e0aab923ae809a765d756cecf13 | ≥ ff974e4083341383d3dd4079e52ed30f57f376f0, < 6c5fee83bdbeffe8d607d1ab125122a75f40bd1a | ≥ ff974e4083341383d3dd4079e52ed30f57f376f0, < 689e5caf63e99e15d2f485ec297c1bf9243e0e28 | ≥ ff974e4083341383d3dd4079e52ed30f57f376f0, < d4742c886043b69d2d058bfde3998ef333b66595 | ≥ ff974e4083341383d3dd4079e52ed30f57f376f0, < 409bd72e544fdf4809ea0dac337bb5a1f11a25a9 | ≥ ff974e4083341383d3dd4079e52ed30f57f376f0, < d578e0af3a003736f6c440188b156483d451b329 | 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

References

11 links
Show all 11 references