CVE-2023-20533
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 EPYC是美国超威半导体（AMD）公司的一款x86架构服务器微处理器产品线，中文名为“霄龙”，采用Zen微架构。 AMD EPYC 存在安全漏洞，该漏洞源于系统管理单元 (SMU) 中的 DRAM 地址验证不充分可能会允许攻击者读取/写入无效的 DRAM 地址，从而可能导致拒绝服务。
Possible ATT&CK Techniques 1 AI
T1564.004 · NTFS File Attributes
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I. Basic Information for CVE-2023-20533
Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
Insufficient DRAM address validation in System
Management Unit (SMU) may allow an attacker to read/write from/to an invalid
DRAM address, potentially resulting in denial-of-service.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:N/I:L/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
AMD EPYC 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
AMD EPYC是美国超威半导体（AMD）公司的一款x86架构服务器微处理器产品线，中文名为“霄龙”，采用Zen微架构。 AMD EPYC 存在安全漏洞，该漏洞源于系统管理单元 (SMU) 中的 DRAM 地址验证不充分可能会允许攻击者读取/写入无效的 DRAM 地址，从而可能导致拒绝服务。
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™ 3000 series Desktop Processors “Matisse" | various | - |
|
| AMD | AMD Ryzen™ 5000 Series Desktop Processors “Vermeer” | various | - |
|
| AMD | AMD Ryzen™ Threadripper™ 3000 Series Processors “Castle Peak” HEDT | various | - |
|
| AMD | AMD Ryzen™ Threadripper™ PRO Processors “Castle Peak” WS SP3 | various | - |
|
| AMD | AMD Ryzen™ Threadripper™ PRO 3000WX Series Processors “Chagall” WS | various | - |
|
| AMD | 2nd Gen AMD EPYC™ Processors | various | - |
|
| AMD | 3rd Gen AMD EPYC™ Processors | various | - |
|
| AMD | AMD EPYC™ Embedded 7002 | various | - |
|
| AMD | AMD EPYC™ Embedded 7003 | various | - |
|
| AMD | AMD Ryzen™ Embedded 5000 | various | - |
|
| AMD | AMD EPYC™ Embedded 7002 | various | - |
|
| AMD | AMD EPYC™ Embedded 7003 | various | - |
|
II. Public POCs for CVE-2023-20533
| # | POC Description | Source Link | Shenlong Link |
|---|
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Other References for CVE-2023-20533 (3)
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-2023-20566 | 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-2022-23821 | AMD System Management Mode 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-2023-20533
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