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I. Basic Information for CVE-2025-29943
Vulnerability Information
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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Description
Write what were condition within AMD CPUs may allow an admin-privileged attacker to modify the configuration of the CPU pipeline potentially resulting in the corruption of the stack pointer inside an SEV-SNP guest.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
任意地址可写任意内容条件
Source: NVD (National Vulnerability Database)
Vulnerability Title
AMD CPU 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
AMD CPU是美国超威半导体（AMD）公司的一个系列CPU。 AMD CPU存在安全漏洞，该漏洞源于写条件问题，可能导致管理员权限攻击者修改CPU流水线配置，进而破坏SEV-SNP来宾内的栈指针。
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
AMDAMD EPYC™ 9004 Series Processors Genoa++_1.0.0.H -
AMDAMD EPYC™ 9005 Series Processors TurinPI_1.0.0.6 -
AMDAMD EPYC™ 8004 Series Processors Genoa++_1.0.0.H -
AMDAMD EPYC™ Embedded 7003 Series Processors EmbMilanPI-SP3 v9 1.0.0.C -
AMDAMD EPYC™ Embedded 9005 Series Processors EmbTurinPI-SP5_1.0.0.1 -
II. Public POCs for CVE-2025-29943
#POC DescriptionSource LinkShenlong Link
1StackWarp POC (CVE-2025-29943): Explotación de hardware en CPUs AMD Zen que manipula un bit no documentado del motor de pila para corruptir el puntero de stack en VMs SEV-SNP protegidas, demostrando una falla en el aislamiento de memoria garantizado por SEV. Incluye módulo de kernel, scripts de automatización y entorno de pruebas.https://github.com/fevar54/POC_CVE-2025-29943_Write-what-where-ConditionPOC Details
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III. Intelligence Information for CVE-2025-29943
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IV. Related Vulnerabilities
Same product: AMD EPYC™ 9004 Series Processors
Same vendor: AMD
Same weakness: CWE-123
V. Comments for CVE-2025-29943

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