CVE-2021-26328
Quick assessment
Affected
AMD 3rd Gen EPYC
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等都是美国超威半导体（AMD）公司的产品。AMD Secure Encrypted Virtualization是一个应用软件。AMD System Management Unit（SMU）是一个系统管理单元。AMD Secure Processor（ASP）是一款独立的 ARM Coretex-A5 芯片。 AMD Secure Processor (ASP)、AMD System Management Unit (SMU)、AMD
Possible ATT&CK Techniques 1 AI
T1499 · Endpoint Denial of Service
Get alerts for future matching vulnerabilities
Log in to subscribe
I. Basic Information for CVE-2021-26328
Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
View Shenlong Deep Dive ↗
Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.
Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
Failure to verify the mode of CPU execution at the time of SNP_INIT may lead to a potential loss of memory integrity for SNP guests.
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 Processor 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
AMD Secure Encrypted Virtualization等都是美国超威半导体（AMD）公司的产品。AMD Secure Encrypted Virtualization是一个应用软件。AMD System Management Unit（SMU）是一个系统管理单元。AMD Secure Processor（ASP）是一款独立的 ARM Coretex-A5 芯片。 AMD Secure Processor (ASP)、AMD System Management Unit (SMU)、AMD
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 | 3rd Gen EPYC | various | - |
|
II. Public POCs for CVE-2021-26328
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
Premium
No public POC found.
Login to generate AI POCIII. Intelligence Information for CVE-2021-26328
请登录查看更多情报信息。
Other References for CVE-2021-26328 (1)
Same Patch Batch · AMD · 2023-01-10 · 14 CVEs total
| CVE-2023-20530 | AMD System Management Unit(SMU) 输入验证错误漏洞 | |
| CVE-2023-20527 | AMD Secure Processor(ASP) 输入验证错误漏洞 | |
| CVE-2022-23814 | 多款AMD产品 输入验证错误漏洞 | |
| CVE-2021-46791 | AMD System Management Mode 缓冲区错误漏洞 | |
| CVE-2021-46779 | AMD Secure Processor 缓冲区错误漏洞 | |
| CVE-2021-26409 | AMD Secure Encrypted Virtualization 安全漏洞 | |
| CVE-2021-26404 | AMD Secure Encrypted Virtualization (SEV) 输入验证错误漏洞 | |
| CVE-2021-26403 | AMD Secure Encrypted Virtualization (SEV) 安全漏洞 | |
| CVE-2021-26402 | AMD Secure Processor 缓冲区错误漏洞 | |
| CVE-2021-26398 | AMD Secure Processor 缓冲区错误漏洞 | |
| CVE-2021-26396 | AMD Secure Processor 数据伪造问题漏洞 | |
| CVE-2021-26355 | AMD System Management Unit (SMU) 资源管理错误漏洞 | |
| CVE-2021-26343 | AMD Secure Processor 安全漏洞 |
IV. Related Vulnerabilities
V. Comments for CVE-2021-26328
No comments yet