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I. Basic Information for CVE-2023-31347
Vulnerability Information
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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Description
Due to a code bug in Secure_TSC, SEV firmware may allow an attacker with high privileges to cause a guest to observe an incorrect TSC when Secure TSC is enabled potentially resulting in a loss of guest integrity.  
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
AMD SEV-SNP 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
AMD SEV-SNP是美国超威半导体（AMD）公司的一个安全加密虚拟化固件。使用单个密钥来加密系统内存。 AMD SEV-SNP存在安全漏洞，该漏洞源于代码错误。
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
AMD3rd Gen AMD EPYC™ Processors various -
AMD4th Gen AMD EPYC™ Processors various -
II. Public POCs for CVE-2023-31347
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III. Intelligence Information for CVE-2023-31347
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IV. Related Vulnerabilities
Same product: 3rd Gen AMD EPYC™ Processors
Same vendor: AMD
V. Comments for CVE-2023-31347

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