CVE-2023-31346
Quick assessment
Affected
AMD 3rd Gen AMD EPYC™ 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 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，该漏洞源于未能初始化 SEV 固件中的内存。
Possible ATT&CK Techniques 3 AI
T1195.001 · Compromise Software Dependencies and Development Tools T1557.002 · ARP Cache Poisoning T1552.005 · Cloud Instance Metadata API
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I. Basic Information for CVE-2023-31346
Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
Failure to initialize
memory in SEV Firmware may allow a privileged attacker to access stale data
from other guests.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
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，该漏洞源于未能初始化 SEV 固件中的内存。
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 | 3rd Gen AMD EPYC™ Processors | various | - |
|
| AMD | 4th Gen AMD EPYC™ Processors | various | - |
|
II. Public POCs for CVE-2023-31346
| # | POC Description | Source Link | Shenlong Link |
|---|---|---|---|
| 1 | None | https://github.com/Freax13/cve-2023-31346-poc | POC Details |
AI-Generated POC
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No public POC found.
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Other References for CVE-2023-31346 (1)
Same Patch Batch · AMD · 2024-02-13 · 6 CVEs total
| CVE-2023-20570 | AMD UltraScale 安全漏洞 | |
| CVE-2023-31347 | AMD SEV-SNP 安全漏洞 | |
| CVE-2021-46757 | AMD Embedded Processors 安全漏洞 | |
| CVE-2023-20587 | AMD Processor 安全漏洞 | |
| CVE-2023-20579 | AMD Processor 安全漏洞 |
IV. Related Vulnerabilities
V. Comments for CVE-2023-31346
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