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I. Basic Information for CVE-2021-47332
Vulnerability Information

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Vulnerability Title
ALSA: usx2y: Don't call free_pages_exact() with NULL address
Source: NVD (National Vulnerability Database)
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: ALSA: usx2y: Don't call free_pages_exact() with NULL address Unlike some other functions, we can't pass NULL pointer to free_pages_exact(). Add a proper NULL check for avoiding possible Oops.
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,该漏洞源于使用 NULL 地址调用 free_pages_exact函数。
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 36b8defc447627c3e91058c43941ec15d827556e ~ 88262229b778f4f7a896da828d966f94dcb35d19 -
LinuxLinux 5.2 -
II. Public POCs for CVE-2021-47332
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III. Intelligence Information for CVE-2021-47332
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IV. Related Vulnerabilities
V. Comments for CVE-2021-47332

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