CVE-2021-26393
Quick assessment
Affected
AMD AMD Radeon RX 5000 Series & PRO W5000 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 (ASP)存在安全漏洞，该漏洞源于可信执行环境(TEE)中的内存清理不充分，可能允许经过身份验证的攻击者具有生成有效签名TA的权限，并可能使用攻击者控制的数据损坏进程内存的内容，从而导致机密性丢失。
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I. Basic Information for CVE-2021-26393
Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
Insufficient memory cleanup in the AMD Secure Processor (ASP) Trusted Execution Environment (TEE) may allow an authenticated attacker with privileges to generate a valid signed TA and potentially poison the contents of the process memory with attacker controlled data resulting in a loss of confidentiality.
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 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 (ASP)存在安全漏洞，该漏洞源于可信执行环境(TEE)中的内存清理不充分，可能允许经过身份验证的攻击者具有生成有效签名TA的权限，并可能使用攻击者控制的数据损坏进程内存的内容，从而导致机密性丢失。
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 | AMD Radeon RX 5000 Series & PRO W5000 Series | AMD Radeon Software ~ 22.5.2 | - |
|
| AMD | AMD Radeon RX 6000 Series & PRO W6000 Series | AMD Radeon Software ~ 22.5.2 | - |
|
| AMD | AMD Ryzen™ Embedded R1000 | various | - |
|
| AMD | AMD Ryzen™ Embedded R2000 | various | - |
|
| AMD | AMD Ryzen™ Embedded V1000 | various | - |
|
| AMD | AMD Ryzen™ Embedded V2000 | various | - |
|
II. Public POCs for CVE-2021-26393
| # | POC Description | Source Link | Shenlong Link |
|---|
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Other References for CVE-2021-26393 (2)
Same Patch Batch · AMD · 2022-11-09 · 10 CVEs total
| CVE-2022-23824 | AMD Processors 安全漏洞 | |
| CVE-2022-27673 | AMD Link 安全漏洞 | |
| CVE-2022-23831 | AMD μProf 安全漏洞 | |
| CVE-2022-27674 | AMD μProf 安全漏洞 | |
| CVE-2020-12930 | AMD Secure Processor 安全漏洞 | |
| CVE-2021-26360 | AMD Secure Processor 安全漏洞 | |
| CVE-2021-26392 | AMD Radeon 缓冲区错误漏洞 | |
| CVE-2020-12931 | AMD Secure Processor 安全漏洞 | |
| CVE-2021-26391 | AMD Radeon 安全漏洞 |
IV. Related Vulnerabilities
V. Comments for CVE-2021-26393
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