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I. Basic Information for CVE-2021-47211
Vulnerability Information

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Vulnerability Title
ALSA: usb-audio: fix null pointer dereference on pointer cs_desc
Source: NVD (National Vulnerability Database)
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: ALSA: usb-audio: fix null pointer dereference on pointer cs_desc The pointer cs_desc return from snd_usb_find_clock_source could be null, so there is a potential null pointer dereference issue. Fix this by adding a null check before dereference.
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cs_desc存在空指针取消引用漏洞。
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 1dc669fed61a4ec4270a89e5fb3535802cc45668 ~ 58fa50de595f152900594c28ec9915c169643739 -
LinuxLinux 3.10 -
II. Public POCs for CVE-2021-47211
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III. Intelligence Information for CVE-2021-47211
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IV. Related Vulnerabilities
V. Comments for CVE-2021-47211

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