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National Vulnerability Database

National Vulnerability Database

NVD

National Vulnerability Database
  1. Vulnerabilities

CVE-2022-49881 Detail

Description

In the Linux kernel, the following vulnerability has been resolved: wifi: cfg80211: fix memory leak in query_regdb_file() In the function query_regdb_file() the alpha2 parameter is duplicated using kmemdup() and subsequently freed in regdb_fw_cb(). However, request_firmware_nowait() can fail without calling regdb_fw_cb() and thus leak memory.


Metrics

 
NVD enrichment efforts reference publicly available information to associate vector strings. CVSS information contributed by other sources is also displayed.
CVSS 4.0 Severity and Vector Strings:

NIST CVSS score
NIST: NVD
N/A
NVD assessment not yet provided.

References to Advisories, Solutions, and Tools

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URL Source(s) Tag(s)
https://git.kernel.org/stable/c/0ede1a988299e95d54bd89551fd635980572e920 kernel.org Patch 
https://git.kernel.org/stable/c/219446396786330937bcd382a7bc4ccd767383bc kernel.org Patch 
https://git.kernel.org/stable/c/38c9fa2cc6bf4b6e1a74057aef8b5cffd23d3264 kernel.org Patch 
https://git.kernel.org/stable/c/57b962e627ec0ae53d4d16d7bd1033e27e67677a kernel.org Patch 
https://git.kernel.org/stable/c/e1e12180321f416d83444f2cdc9259e0f5093d35 kernel.org Patch 
https://git.kernel.org/stable/c/e9b5a4566d5bc71cc901be50d1fa24da00613120 kernel.org Patch 

Weakness Enumeration

CWE-ID CWE Name Source
CWE-401 Missing Release of Memory after Effective Lifetime cwe source acceptance level NIST  

Known Affected Software Configurations Switch to CPE 2.2

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Change History

2 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2022-49881
NVD Published Date:
05/01/2025
NVD Last Modified:
05/07/2025
Source:
kernel.org