Vulnerabilities > CVE-2022-49881 - Memory Leak vulnerability in Linux Kernel
Attack vector
LOCAL Attack complexity
LOW Privileges required
LOW Confidentiality impact
NONE Integrity impact
NONE Availability impact
HIGH Summary
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.
Vulnerable Configurations
Common Weakness Enumeration (CWE)
References
- https://git.kernel.org/stable/c/0ede1a988299e95d54bd89551fd635980572e920
- https://git.kernel.org/stable/c/219446396786330937bcd382a7bc4ccd767383bc
- https://git.kernel.org/stable/c/38c9fa2cc6bf4b6e1a74057aef8b5cffd23d3264
- https://git.kernel.org/stable/c/57b962e627ec0ae53d4d16d7bd1033e27e67677a
- https://git.kernel.org/stable/c/e1e12180321f416d83444f2cdc9259e0f5093d35
- https://git.kernel.org/stable/c/e9b5a4566d5bc71cc901be50d1fa24da00613120