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I. Basic Information for CVE-2021-3543
Vulnerability Information

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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Description
A flaw null pointer dereference in the Nitro Enclaves kernel driver was found in the way that Enclaves VMs forces closures on the enclave file descriptor. A local user of a host machine could use this flaw to crash the system or escalate their privileges on the system.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
释放后使用
Source: NVD (National Vulnerability Database)
Vulnerability Title
Red Hat, Inc. Nitro Enclaves内核驱动 资源管理错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Nitro Enclaves是Amazon的一种新的Amazon Elastic Compute Cloud功能,允许创建独立的计算环境。 Red Hat, Inc. Nitro Enclaves内核驱动存在安全漏洞,该漏洞源于在Enclaves VMs强制封闭enclave文件描述符的方法中发现Nitro Enclaves内核驱动程序中的空指针取消引用缺陷。主机的本地用户可以利用这个缺陷使系统崩溃或升级他们在系统上的特权。
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 kernel 4.18.0 -
II. Public POCs for CVE-2021-3543
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III. Intelligence Information for CVE-2021-3543
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IV. Related Vulnerabilities
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