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CVE-2022-49881

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CVE-2022-49881

Published: May 1, 2025

Modified: May 11, 2026

PUBLISHED

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.

VendorProductVersions

Linux

Linux

affected
007f6c5e6eb45c81ee89368a5f226572ae638831 - < 219446396786330937bcd382a7bc4ccd767383bc
affected
007f6c5e6eb45c81ee89368a5f226572ae638831 - < 0ede1a988299e95d54bd89551fd635980572e920
affected
007f6c5e6eb45c81ee89368a5f226572ae638831 - < e1e12180321f416d83444f2cdc9259e0f5093d35
affected
007f6c5e6eb45c81ee89368a5f226572ae638831 - < 38c9fa2cc6bf4b6e1a74057aef8b5cffd23d3264
affected
007f6c5e6eb45c81ee89368a5f226572ae638831 - < e9b5a4566d5bc71cc901be50d1fa24da00613120

+1 more versions

Linux

Linux

affected
4.15
unaffected
0 - < 4.15
unaffected
4.19.267 - <= 4.19.*
unaffected
5.4.225 - <= 5.4.*
unaffected
5.10.155 - <= 5.10.*

+3 more versions

References

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