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I. Basic Information for CVE-2021-47137
Vulnerability Information

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Vulnerability Title
net: lantiq: fix memory corruption in RX ring
Source: NVD (National Vulnerability Database)
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: net: lantiq: fix memory corruption in RX ring In a situation where memory allocation or dma mapping fails, an invalid address is programmed into the descriptor. This can lead to memory corruption. If the memory allocation fails, DMA should reuse the previous skb and mapping and drop the packet. This patch also increments rx drop counter.
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,该漏洞源于无效地址被编程到描述符中,这可以导致内存损坏。
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 fe1a56420cf2ec28c8eceef672b87de0bbe1a260 ~ 8bb1077448d43a871ed667520763e3b9f9b7975d -
LinuxLinux 4.20 -
II. Public POCs for CVE-2021-47137
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III. Intelligence Information for CVE-2021-47137
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IV. Related Vulnerabilities
V. Comments for CVE-2021-47137

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