CVE-2021-26346
Quick assessment
Affected
AMD Ryzen 5000 Series
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 Processor（ASP）是美国超威半导体（AMD）公司的一款独立的 ARM Coretex-A5 芯片。 AMD Secure Processor存在安全漏洞。攻击者利用该漏洞导致整数溢出，从而拒绝服务。
Possible ATT&CK Techniques 1 AI
T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2021-26346
Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
Failure to validate the integer operand in ASP (AMD Secure Processor) bootloader may allow an attacker to introduce an integer overflow in the L2 directory table in SPI flash resulting in a potential 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 Processor 输入验证错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
AMD Secure Processor（ASP）是美国超威半导体（AMD）公司的一款独立的 ARM Coretex-A5 芯片。 AMD Secure Processor存在安全漏洞。攻击者利用该漏洞导致整数溢出，从而拒绝服务。
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 5000 Series | various | - |
|
II. Public POCs for CVE-2021-26346
| # | POC Description | Source Link | Shenlong Link |
|---|
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Other References for CVE-2021-26346 (1)
Same Patch Batch · AMD · 2023-01-10 · 14 CVEs total
| CVE-2021-26316 | AMD Athlon 输入验证错误漏洞 | |
| CVE-2021-26407 | AMD Secure Processor 安全特征问题漏洞 | |
| CVE-2021-46767 | AMD Secure Processor (ASP) 输入验证错误漏洞 | |
| CVE-2021-46768 | AMD Secure Encrypted Virtualization 缓冲区错误漏洞 | |
| CVE-2021-46795 | 多款AMD产品 安全漏洞 | |
| CVE-2022-23813 | AMD System Management Unit 缓冲区错误漏洞 | |
| CVE-2023-20522 | AMD Secure Processor(ASP) 输入验证错误漏洞 | |
| CVE-2023-20523 | AMD Secure Processor(ASP) 安全漏洞 | |
| CVE-2023-20525 | AMD Secure Processor(ASP) 输入验证错误漏洞 | |
| CVE-2023-20528 | AMD System Management Unit(SMU) 输入验证错误漏洞 | |
| CVE-2023-20529 | AMD System Management Unit(SMU) 缓冲区错误漏洞 | |
| CVE-2023-20531 | AMD System Management Unit(SMU) 缓冲区错误漏洞 | |
| CVE-2023-20532 | AMD System Management Unit(SMU) 输入验证错误漏洞 |
IV. Related Vulnerabilities
V. Comments for CVE-2021-26346
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