Goal Reached Thanks to every supporter — we hit 100%!

Goal: 1000 CNY · Raised: 1359 CNY

100%
Buy Us a Coffee

CVE-2025-29943

Quick assessment

Affected
AMD AMD EPYC™ 9004 Series Processors
Exploitation
Public or AI PoC available; prioritize validation
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

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。

AI Predicted 5.5 Difficulty: Hard EPSS 0.23% · P12

Possible ATT&CK Techniques 1 AI

T1205 · Traffic Signaling
Get alerts for future matching vulnerabilities Log in to subscribe

I. Basic Information for CVE-2025-29943

Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
View Shenlong Deep Dive ↗

Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.

Vulnerability Title
N/A
Source: CVE Program / CVE List V5
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: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:N/SC:N/SI:L/SA:N
Source: CVE Program / CVE List V5
Vulnerability Type
任意地址可写任意内容条件
Source: CVE Program / CVE List V5
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

Vendor Product Affected Versions CPE Subscribe
AMD AMD EPYC™ 9004 Series Processors Genoa++_1.0.0.H -
AMD AMD EPYC™ 9005 Series Processors TurinPI_1.0.0.6 -
AMD AMD EPYC™ 8004 Series Processors Genoa++_1.0.0.H -
AMD AMD EPYC™ Embedded 7003 Series Processors EmbMilanPI-SP3 v9 1.0.0.C -
AMD AMD EPYC™ Embedded 9005 Series Processors EmbTurinPI-SP5_1.0.0.1 -

II. Public POCs for CVE-2025-29943

# POC Description Source Link Shenlong Link
1 StackWarp 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-Condition POC Details
AI-Generated POC Premium

No public POC found.

Login to generate AI POC

III. Intelligence Information for CVE-2025-29943

请登录查看更多情报信息。

Other References for CVE-2025-29943 (1)

IV. Related Vulnerabilities

Same product: AMD EPYC™ 9004 Series Processors
Same vendor: AMD
Same weakness: CWE-123

V. Comments for CVE-2025-29943

No comments yet

Leave a comment