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I. Basic Information for CVE-2023-46840
Vulnerability Information

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Vulnerability Title
VT-d: Failure to quarantine devices in !HVM builds
Source: NVD (National Vulnerability Database)
Vulnerability Description
Incorrect placement of a preprocessor directive in source code results in logic that doesn't operate as intended when support for HVM guests is compiled out of Xen.
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
Xen 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Xen是英国剑桥(Cambridge)大学的一款开源的虚拟机监视器产品。该产品能够使不同和不兼容的操作系统运行在同一台计算机上,并支持在运行时进行迁移,保证正常运行并且避免宕机。 Xen 4.17及之前版本存在安全漏洞,该漏洞源于源代码中的预处理器指令不正确,当设备从域中删除时,没有被正确隔离,且保留对之前所在域的访问权限。
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
XenXen consult Xen advisory XSA-450 -
II. Public POCs for CVE-2023-46840
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III. Intelligence Information for CVE-2023-46840
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IV. Related Vulnerabilities
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