CVE-2021-26406
Quick assessment
Affected
AMD Ryzen™ 2000 series Desktop Processors “Raven Ridge” AM4
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 Secure Encrypted Virtualization是美国超威半导体（AMD）公司的一个应用软件。硬件加速的内存加密，以保护使用中的数据。 AMD Secure Encrypted Virtualization存在安全漏洞。攻击者利用该漏洞导致系统拒绝服务。
Possible ATT&CK Techniques 1 AI
T1499 · Endpoint Denial of Service
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I. Basic Information for CVE-2021-26406
Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
Insufficient validation in parsing Owner's
Certificate Authority (OCA) certificates in SEV (AMD Secure Encrypted Virtualization)
and SEV-ES user application can lead to a host crash potentially resulting 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 Secure Encrypted Virtualization 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
AMD Secure Encrypted Virtualization是美国超威半导体（AMD）公司的一个应用软件。硬件加速的内存加密，以保护使用中的数据。 AMD Secure Encrypted Virtualization存在安全漏洞。攻击者利用该漏洞导致系统拒绝服务。
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™ 2000 series Desktop Processors “Raven Ridge” AM4 | various | - |
|
| AMD | Ryzen™ 2000 Series Desktop Processors “Pinnacle Ridge” | various | - |
|
| AMD | Ryzen™ 3000 Series Desktop Processors “Matisse” AM4 | various | - |
|
| AMD | AMD Ryzen™ 5000 Series Desktop Processors “Vermeer” AM4 | various | - |
|
| AMD | 2nd Gen AMD Ryzen™ Threadripper™ Processors “Colfax” | various | - |
|
| AMD | 3rd Gen AMD Ryzen™ Threadripper™ Processors “Castle Peak” HEDT | various | - |
|
| AMD | Ryzen™ Threadripper™ PRO Processors “Castle Peak” WS | various | - |
|
| AMD | Athlon™ 3000 Series Mobile Processors with Radeon™ Graphics “Dali”/”Dali” ULP | various | - |
|
| AMD | Athlon™ 3000 Series Mobile Processors with Radeon™ Graphics “Pollock” | various | - |
|
| AMD | Ryzen™ 2000 Series Mobile Processors “Raven Ridge” FP5 | various | - |
|
| AMD | Ryzen™ 3000 Series Mobile processor, 2nd Gen AMD Ryzen™ Mobile Processors with Radeon™ Graphics “Picasso” | various | - |
|
| AMD | 1st Gen AMD EPYC™ Processors | various | - |
|
| AMD | 2nd Gen AMD EPYC™ Processors | various | - |
|
II. Public POCs for CVE-2021-26406
| # | POC Description | Source Link | Shenlong Link |
|---|
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Other References for CVE-2021-26406 (2)
Same Patch Batch · AMD · 2023-05-09 · 26 CVEs total
| CVE-2021-46762 | 3.9 LOW | AMD Secure Processor和AMD System Management Unit 输入验证错误漏洞 |
| CVE-2021-26365 | AMD Secure Processor和AMD System Management Unit 缓冲区错误漏洞 | |
| CVE-2021-26379 | AMD Secure Processor和AMD System Management Unit 安全漏洞 | |
| CVE-2021-26397 | AMD Secure Processor和AMD System Management Unit 安全漏洞 | |
| CVE-2021-46763 | AMD Secure Processor和AMD System Management Unit 缓冲区错误漏洞 | |
| CVE-2021-46764 | AMD Secure Processor和AMD System Management Unit 缓冲区错误漏洞 | |
| CVE-2021-46769 | AMD Secure Processor和AMD System Management Unit 输入验证错误漏洞 | |
| CVE-2021-46775 | AMD Secure Processor和AMD System Management Unit 输入验证错误漏洞 | |
| CVE-2022-23818 | AMD Secure Processor和AMD System Management Unit 输入验证错误漏洞 | |
| CVE-2023-20520 | AMD Secure Processor和AMD System Management Unit 缓冲区错误漏洞 | |
| CVE-2023-20524 | AMD Secure Processor和AMD System Management Unit 缓冲区错误漏洞 | |
| CVE-2021-26354 | AMD Secure Processor和AMD System Management Unit 安全漏洞 | |
| CVE-2021-26356 | AMD Secure Processor和AMD System Management Unit 安全漏洞 | |
| CVE-2021-46794 | AMD Secure Processor和AMD System Management Unit 缓冲区错误漏洞 | |
| CVE-2021-26371 | AMD Secure Processor和AMD System Management Unit 安全漏洞 | |
| CVE-2021-46749 | AMD Secure Processor和AMD System Management Unit 缓冲区错误漏洞 | |
| CVE-2021-46753 | AMD Secure Processor和AMD System Management Unit 安全漏洞 | |
| CVE-2021-46754 | AMD Secure Processor和AMD System Management Unit 输入验证错误漏洞 | |
| CVE-2021-46755 | AMD Secure Processor和AMD System Management Unit 安全漏洞 | |
| CVE-2021-46756 | AMD Secure Processor和AMD System Management Unit 输入验证错误漏洞 |
Showing top 20 of 26 CVEs. View all on vendor page → →
IV. Related Vulnerabilities
Same product: Ryzen™ 2000 series Desktop Processors “Raven Ridge” AM4
-
CVE-2021-46794
AMD Secure Processor和AMD System Management Unit 缓冲区错误漏洞 -
CVE-2021-46792
AMD Secure Processor和AMD System Management Unit 安全漏洞 -
CVE-2021-46773
AMD Secure Processor和AMD System Management Unit 输入验证错误漏洞 -
CVE-2021-46759
AMD Secure Processor和AMD System Management Unit 缓冲区错误漏洞 -
CVE-2021-46756
AMD Secure Processor和AMD System Management Unit 输入验证错误漏洞
V. Comments for CVE-2021-26406
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