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I. Basic Information for CVE-2021-47522
Vulnerability Information

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Vulnerability Title
HID: bigbenff: prevent null pointer dereference
Source: NVD (National Vulnerability Database)
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: HID: bigbenff: prevent null pointer dereference When emulating the device through uhid, there is a chance we don't have output reports and so report_field is null.
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 HID:bigbenff 模块防止空指针取消引用。
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 256a90ed9e46b270bbc4e15ef05216ff049c3721 ~ 8e0ceff632f48175ec7fb4706129c55ca8a7c7bd -
LinuxLinux 4.20 -
II. Public POCs for CVE-2021-47522
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III. Intelligence Information for CVE-2021-47522
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IV. Related Vulnerabilities
V. Comments for CVE-2021-47522

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