CVE-2021-26312
Quick assessment
Affected
AMD EPYC™ Processors
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 Platform Security Processor是美国AMD公司的一款安全处理器。 AMD Platform Security Processor 中存在安全漏洞。目前尚无此漏洞的相关信息，请随时关注CNNVD或厂商公告。
Possible ATT&CK Techniques 1 AI
T1133 · External Remote Services
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I. Basic Information for CVE-2021-26312
Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
Failure to flush the Translation Lookaside Buffer (TLB) of the I/O memory management unit (IOMMU) may lead an IO device to write to memory it should not be able to access, resulting in a potential loss of integrity.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
初始化不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
AMD Platform Security Processor安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
AMD Platform Security Processor是美国AMD公司的一款安全处理器。 AMD Platform Security Processor 中存在安全漏洞。目前尚无此漏洞的相关信息，请随时关注CNNVD或厂商公告。
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 | EPYC™ Processors | various | - |
|
| AMD | Ryzen™ Series | various | - |
|
| AMD | Athlon™ Series | various | - |
|
II. Public POCs for CVE-2021-26312
| # | POC Description | Source Link | Shenlong Link |
|---|
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Other References for CVE-2021-26312 (2)
Same Patch Batch · AMD · 2021-11-16 · 21 CVEs total
| CVE-2021-26331 | AMD多款产品输入验证错误漏洞 | |
| CVE-2021-26337 | AMD System Management Unit 输入验证错误漏洞 | |
| CVE-2021-26325 | AMD 多款产品输入验证错误漏洞 | |
| CVE-2021-26330 | AMD 多款产品缓冲区错误漏洞 | |
| CVE-2021-26327 | Advanced Micro Devices SNP 输入验证错误漏洞 | |
| CVE-2020-12944 | AMD Secure Processor输入验证错误漏洞 | |
| CVE-2021-26323 | Advanced Micro Devices SNP 输入验证错误漏洞 | |
| CVE-2020-12961 | AMD Platform Security Processor输入验证错误漏洞 | |
| CVE-2021-26315 | AMD Platform Security Processor 数据伪造问题漏洞 | |
| CVE-2020-12954 | AMD Platform Security Processor 安全漏洞 | |
| CVE-2021-26326 | AMD 多款产品安全漏洞 | |
| CVE-2021-26335 | AMD Secure Processor 输入验证错误漏洞 | |
| CVE-2021-26321 | AMD Platform Security Processor命令注入漏洞 | |
| CVE-2020-12951 | AMD Platform Security Processor 竞争条件问题漏洞 | |
| CVE-2021-26320 | AMD Platform Security Processor信任管理问题漏洞 | |
| CVE-2021-26336 | AMD System Management Unit 缓冲区错误漏洞 | |
| CVE-2020-12946 | AMD Platform Security Processor 输入验证错误漏洞 | |
| CVE-2021-26322 | AMD Secure Processor 安全特征问题漏洞 | |
| CVE-2021-26329 | AMD 多款产品输入验证错误漏洞 | |
| CVE-2021-26338 | AMD System Management Unit 安全漏洞 |
IV. Related Vulnerabilities
V. Comments for CVE-2021-26312
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