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I. Basic Information for CVE-2021-3923
Vulnerability Information

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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Description
A flaw was found in the Linux kernel's implementation of RDMA over infiniband. An attacker with a privileged local account can leak kernel stack information when issuing commands to the /dev/infiniband/rdma_cm device node. While this access is unlikely to leak sensitive user information, it can be further used to defeat existing kernel protection mechanisms.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
信息暴露
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,该漏洞源于拥有本地特权帐户的攻击者可以在向/dev/infiniband/rdma_cm设备节点发出命令时泄露内核堆栈信息。
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
-kernel unknown -
II. Public POCs for CVE-2021-3923
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III. Intelligence Information for CVE-2021-3923
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IV. Related Vulnerabilities
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