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I. Basic Information for CVE-2021-32844
Vulnerability Information

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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Description
HyperKit is a toolkit for embedding hypervisor capabilities in an application. In versions 0.20210107 and prior of HyperKit, ` vi_pci_write` has is a call to `vc_cfgwrite` that does not check for null which when called makes the host crash. This issue may lead to a guest crashing the host causing a denial of service. This issue is fixed in commit 451558fe8aaa8b24e02e34106e3bb9fe41d7ad13.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
空指针解引用
Source: NVD (National Vulnerability Database)
Vulnerability Title
HyperKit 代码问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
HyperKit是Moby开源的一个用于在应用程序中嵌入虚拟机监控程序功能的工具包。 HyperKit 0.20210107及之前版本存在安全漏洞,该漏洞源于`vi_pci_write` 调用了不检查 null 的 `vc_cfgwrite`,它不检查 null,调用时会导致主机崩溃,从而导致拒绝服务。
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
mobyhyperkit 0.20210107 ~ 0.20210107 -
II. Public POCs for CVE-2021-32844
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III. Intelligence Information for CVE-2021-32844
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