CVE-2022-23821
Quick assessment
Affected
AMD Ryzen™ 3000 Series Desktop Processors “Matisse”
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 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存在安全漏洞，该漏洞源于系统管理模式（SMM）中的不当访问控制可能允许攻击者写入 SPI ROM，从而可能导致任意代码执行。
Possible ATT&CK Techniques 1 AI
T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2022-23821
Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
Improper access control in System Management Mode (SMM) may allow an attacker to write to SPI ROM potentially leading to arbitrary code execution.
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 Mode 安全漏洞
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存在安全漏洞，该漏洞源于系统管理模式（SMM）中的不当访问控制可能允许攻击者写入 SPI ROM，从而可能导致任意代码执行。
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
II. Public POCs for CVE-2022-23821
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
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Other References for CVE-2022-23821 (2)
Same Patch Batch · AMD · 2023-11-14 · 20 CVEs total
| CVE-2022-23820 | 7.5 HIGH | AMD EPYC 安全漏洞 |
| CVE-2021-46774 | 6.7 MEDIUM | AMD EPYC 安全漏洞 |
| CVE-2023-20533 | 6.1 MEDIUM | AMD EPYC 安全漏洞 |
| CVE-2023-20566 | 5.3 MEDIUM | AMD EPYC 安全漏洞 |
| CVE-2023-20521 | 3.3 LOW | AMD EPYC 安全漏洞 |
| CVE-2021-46766 | 2.5 LOW | AMD EPYC 安全漏洞 |
| CVE-2022-23830 | 1.9 LOW | AMD EPYC 安全漏洞 |
| CVE-2021-26345 | 1.9 LOW | AMD EPYC 缓冲区错误漏洞 |
| CVE-2023-20526 | 1.9 LOW | AMD EPYC 安全漏洞 |
| CVE-2021-46748 | AMD Secure Processor 安全漏洞 | |
| CVE-2023-20596 | AMD Ryzen 安全漏洞 | |
| CVE-2023-20567 | AMD Graphics Driver 安全漏洞 | |
| CVE-2023-20568 | AMD Graphics Driver 安全漏洞 | |
| CVE-2023-20519 | AMD EPYC 资源管理错误漏洞 | |
| CVE-2023-20592 | AMD CPU 安全漏洞 | |
| CVE-2021-46758 | AMD Secure Processor 安全漏洞 | |
| CVE-2023-20563 | AMD CPU 安全漏洞 | |
| CVE-2023-20565 | AMD CPU 安全漏洞 | |
| CVE-2023-20571 | AMD CPU 安全漏洞 |
IV. Related Vulnerabilities
V. Comments for CVE-2022-23821
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