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I. Basic Information for CVE-2022-49881
Vulnerability Information

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Vulnerability Title
wifi: cfg80211: fix memory leak in query_regdb_file()
Source: NVD (National Vulnerability Database)
Vulnerability 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.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Title
Linux kernel 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Linux kernel是美国Linux基金会的开源操作系统Linux所使用的内核。 Linux kernel存在安全漏洞,该漏洞源于query_regdb_file未正确处理固件请求失败,可能导致内存泄漏。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
VendorProductAffected VersionsCPESubscribe
LinuxLinux 007f6c5e6eb45c81ee89368a5f226572ae638831 ~ 219446396786330937bcd382a7bc4ccd767383bc -
LinuxLinux 4.15 -
II. Public POCs for CVE-2022-49881
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III. Intelligence Information for CVE-2022-49881
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IV. Related Vulnerabilities
V. Comments for CVE-2022-49881

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