CVE-2023-31029 — AI Deep Analysis Summary

Q: Root Cause? (CWE/Flaw)

🛡️ **Root Cause**: **CWE-121** (Stack-based Buffer Overflow). 🔍 **Flaw**: The KVM daemon fails to properly validate input, allowing malicious data to overwrite the stack.

Q: Who is affected? (Versions/Components)

🏢 **Affected Vendor**: NVIDIA. 💻 **Product**: **DGX A100 Servers**. ⚠️ **Scope**: Specifically the host KVM daemon process within these high-performance AI workstations.

Q: Is exploitation threshold high? (Auth/Config)

📉 **Threshold**: **LOW**. 🔑 **Auth**: **None** required (PR:N). 🌐 **Access**: Local network access (AV:L) is sufficient. No user interaction needed (UI:N).

Q: Is there a public Exp? (PoC/Wild Exploitation)

🚫 **Public Exploit**: **No**. 📂 **PoCs**: None listed in the data (pocs: []). ⚠️ **Status**: Theoretical risk, but severity is extreme. Wild exploitation is currently low but dangerous if discovered.

Q: How to self-check? (Features/Scanning)

🔍 **Self-Check**: Scan for **NVIDIA DGX A100** devices. 📡 **Network**: Check for exposed KVM services on affected hosts. 📋 **Logs**: Monitor for stack overflow anomalies in KVM daemon logs.

Q: Is it fixed officially? (Patch/Mitigation)

🩹 **Official Fix**: Yes, check NVIDIA Support. 🔗 **Reference**: [NVIDIA CustHelp #5510](https://nvidia.custhelp.com/app/answers/detail/a_id/5510). 📅 **Published**: Jan 12, 2024. Apply vendor patches immediately.

Q: What if no patch? (Workaround)

🚧 **No Patch?**: Isolate the KVM service. 🛑 **Mitigation**: Restrict network access to the KVM daemon. 👁️ **Monitor**: Enhanced logging for suspicious network packets targeting the daemon.

Q: Is it urgent? (Priority Suggestion)

🔥 **Urgency**: **CRITICAL**. ⚡ **Priority**: **P1**. 💡 **Reason**: Unauthenticated, high-impact stack overflow. Immediate patching or isolation is mandatory for DGX A100 owners.

Updated May 08, 2026 CVSS 9.3 · Critical

This is a summary of the AI-generated 10-question deep analysis. The full version (longer answers, follow-up Q&A, related CVEs) requires login. Read the full analysis →

Q1What is this vulnerability? (Essence + Consequences)

🚨 **Essence**: NVIDIA DGX A100 Servers have a critical flaw in the host KVM daemon. <br>💥 **Consequences**: Attackers can trigger a **stack overflow** via crafted network packets.…

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Q2Root Cause? (CWE/Flaw)

🛡️ **Root Cause**: **CWE-121** (Stack-based Buffer Overflow). <br>🔍 **Flaw**: The KVM daemon fails to properly validate input, allowing malicious data to overwrite the stack.

Q3Who is affected? (Versions/Components)

🏢 **Affected Vendor**: NVIDIA. <br>💻 **Product**: **DGX A100 Servers**. <br>⚠️ **Scope**: Specifically the host KVM daemon process within these high-performance AI workstations.

Q4What can hackers do? (Privileges/Data)

🕵️ **Attacker Action**: Send specially crafted network packets. <br>🔓 **Privileges**: **Unauthenticated** access required.…

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Q5Is exploitation threshold high? (Auth/Config)

📉 **Threshold**: **LOW**. <br>🔑 **Auth**: **None** required (PR:N). <br>🌐 **Access**: Local network access (AV:L) is sufficient. No user interaction needed (UI:N).

Q6Is there a public Exp? (PoC/Wild Exploitation)

🚫 **Public Exploit**: **No**. <br>📂 **PoCs**: None listed in the data (pocs: []). <br>⚠️ **Status**: Theoretical risk, but severity is extreme. Wild exploitation is currently low but dangerous if discovered.

Q7How to self-check? (Features/Scanning)

🔍 **Self-Check**: Scan for **NVIDIA DGX A100** devices. <br>📡 **Network**: Check for exposed KVM services on affected hosts. <br>📋 **Logs**: Monitor for stack overflow anomalies in KVM daemon logs.

Q8Is it fixed officially? (Patch/Mitigation)

🩹 **Official Fix**: Yes, check NVIDIA Support. <br>🔗 **Reference**: [NVIDIA CustHelp #5510](https://nvidia.custhelp.com/app/answers/detail/a_id/5510). <br>📅 **Published**: Jan 12, 2024. Apply vendor patches immediately.

Q9What if no patch? (Workaround)

🚧 **No Patch?**: Isolate the KVM service. <br>🛑 **Mitigation**: Restrict network access to the KVM daemon. <br>👁️ **Monitor**: Enhanced logging for suspicious network packets targeting the daemon.

Q10Is it urgent? (Priority Suggestion)

🔥 **Urgency**: **CRITICAL**. <br>⚡ **Priority**: **P1**. <br>💡 **Reason**: Unauthenticated, high-impact stack overflow. Immediate patching or isolation is mandatory for DGX A100 owners.

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Vulnerability detail Full AI analysis (login) nvidia CWE-121