CVE-2021-26352
Quick assessment
Affected
AMD Ryzen™ Series
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
AMD System Management Unit（SMU）是美国AMD公司的一个系统管理单元。 System Management Unit (SMU) PCIe Hot Plug存在安全漏洞，攻击者利用该漏洞可对无效地址空间访问或更新，从而导致拒绝服务。
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I. Basic Information for CVE-2021-26352
Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
Insufficient bound checks in System Management Unit (SMU) PCIe Hot Plug table may result in access/updates from/to invalid address space that could result in denial of service.
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 System Management Unit 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
AMD System Management Unit（SMU）是美国AMD公司的一个系统管理单元。 System Management Unit (SMU) PCIe Hot Plug存在安全漏洞，攻击者利用该漏洞可对无效地址空间访问或更新，从而导致拒绝服务。
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 | Ryzen™ Series | various | - |
|
| AMD | Athlon™ Series | various | - |
|
II. Public POCs for CVE-2021-26352
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
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Other References for CVE-2021-26352 (1)
Same Patch Batch · AMD · 2022-05-10 · 8 CVEs total
| CVE-2021-26353 | AMD EPYC DRTM UApp 安全漏洞 | |
| CVE-2021-46771 | AMD Secure Processor 安全漏洞 | |
| CVE-2021-26324 | AMD EPYC SEV-ES TMR 安全漏洞 | |
| CVE-2021-26332 | AMD Secure Encrypted Virtualization 安全漏洞 | |
| CVE-2021-26370 | AMD EPYC UApp/ABL 输入验证错误漏洞 | |
| CVE-2021-26390 | AMD EPYC 安全漏洞 | |
| CVE-2021-26408 | AMD SEV-legacy 安全漏洞 |
IV. Related Vulnerabilities
V. Comments for CVE-2021-26352
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