CVE-2021-46791
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I. Basic Information for CVE-2021-46791
Vulnerability Information
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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Description
Insufficient input validation during parsing of the System Management Mode (SMM) binary may allow a maliciously crafted SMM executable binary to corrupt Dynamic Root of Trust for Measurement (DRTM) user application memory that may result in a potential denial of service.
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 System Management Mode 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
AMD System Management Mode是美国超威半导体（AMD）公司的系统管理模式。一种CPU的执行模式。 AMD System Management Mode存在缓冲区错误漏洞，该漏洞源于其System Management Mode（SMM）在解析二进制文件时对输入验证不足可能会导致恶意制作的SMM可执行二进制文件破坏测量的动态信任根（DRTM）用户应用程序内存，从而可能导致潜在的拒绝服务。
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 EPYC | various | - |
II. Public POCs for CVE-2021-46791
| # | POC Description | Source Link | Shenlong Link |
|---|
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Same Patch Batch · AMD · 2023-01-10 · 14 CVEs total
| CVE-2023-20530 | AMD System Management Unit(SMU) 输入验证错误漏洞 | |
| CVE-2023-20527 | AMD Secure Processor(ASP) 输入验证错误漏洞 | |
| CVE-2022-23814 | 多款AMD产品 输入验证错误漏洞 | |
| CVE-2021-46779 | AMD Secure Processor 缓冲区错误漏洞 | |
| CVE-2021-26409 | AMD Secure Encrypted Virtualization 安全漏洞 | |
| CVE-2021-26404 | AMD Secure Encrypted Virtualization (SEV) 输入验证错误漏洞 | |
| CVE-2021-26403 | AMD Secure Encrypted Virtualization (SEV) 安全漏洞 | |
| CVE-2021-26402 | AMD Secure Processor 缓冲区错误漏洞 | |
| CVE-2021-26398 | AMD Secure Processor 缓冲区错误漏洞 | |
| CVE-2021-26396 | AMD Secure Processor 数据伪造问题漏洞 | |
| CVE-2021-26355 | AMD System Management Unit (SMU) 资源管理错误漏洞 | |
| CVE-2021-26343 | AMD Secure Processor 安全漏洞 | |
| CVE-2021-26328 | AMD Secure Processor 安全漏洞 |
IV. Related Vulnerabilities
V. Comments for CVE-2021-46791
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