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I. Basic Information for CVE-2021-47311
Vulnerability Information

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Vulnerability Title
net: qcom/emac: fix UAF in emac_remove
Source: NVD (National Vulnerability Database)
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: net: qcom/emac: fix UAF in emac_remove adpt is netdev private data and it cannot be used after free_netdev() call. Using adpt after free_netdev() can cause UAF bug. Fix it by moving free_netdev() at the end of the function.
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,该漏洞源于内存释放后重用。
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 54e19bc74f3380d414681762ceed9f7245bc6a6e ~ 4d04a42b926e682140776e54188f4a44f1f01a81 -
LinuxLinux 4.9 -
II. Public POCs for CVE-2021-47311
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III. Intelligence Information for CVE-2021-47311
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IV. Related Vulnerabilities
V. Comments for CVE-2021-47311

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