CVE-2021-26317
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I. Basic Information for CVE-2021-26317
Vulnerability Information
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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Description
Failure to verify the protocol in SMM may allow an attacker to control the protocol and modify SPI flash resulting in a potential arbitrary code execution.
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 数据伪造问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
AMD System Management Mode是美国AMD公司的系统管理模式。一种CPU的执行模式。 AMD System Management Mode 中存在安全漏洞，该漏洞源于未能在SMM中验证协议从而允许攻击者控制协议并修改SPI闪存，进而执行任意代码执行。
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 | Ryzen™ Series | various | - | |
| AMD | Athlon™ Series | various | - |
II. Public POCs for CVE-2021-26317
| # | POC Description | Source Link | Shenlong Link |
|---|
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No public POC found.
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Same Patch Batch · AMD · 2022-05-12 · 9 CVEs total
| CVE-2021-26363 | AMD System Management Unit 权限许可和访问控制问题漏洞 | |
| CVE-2021-26386 | AMD System Management Unit 缓冲区错误漏洞 | |
| CVE-2021-26368 | AMD Processors 数据伪造问题漏洞 | |
| CVE-2021-26361 | AMD System Management Unit 信息泄露漏洞 | |
| CVE-2021-26362 | AMD System Management Unit 输入验证错误漏洞 | |
| CVE-2021-26351 | AMD System Management Unit 输入验证错误漏洞 | |
| CVE-2021-26366 | AMD System Management Unit 权限许可和访问控制问题漏洞 | |
| CVE-2021-26369 | AMD System Management Unit 缓冲区错误漏洞 |
IV. Related Vulnerabilities
V. Comments for CVE-2021-26317
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