CVE-2021-46757
Quick assessment
Affected
AMD AMD Ryzen™ Embedded 5000
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 Embedded Processors是美国超威半导体（AMD）公司的一系列嵌入式高性能 GPU。 AMD Embedded Processors存在安全漏洞，该漏洞源于ASP 中内存缓冲区检查不充分。
Possible ATT&CK Techniques 2 AI
T1068 · Exploitation for Privilege Escalation T1548 · Abuse Elevation Control Mechanism
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I. Basic Information for CVE-2021-46757
Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
Insufficient checking of memory buffer in ASP
Secure OS may allow an attacker with a malicious TA to read/write to the ASP
Secure OS kernel virtual address space potentially leading to privilege
escalation.
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 Embedded Processors 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
AMD Embedded Processors是美国超威半导体（AMD）公司的一系列嵌入式高性能 GPU。 AMD Embedded Processors存在安全漏洞，该漏洞源于ASP 中内存缓冲区检查不充分。
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 Ryzen™ Embedded 5000 | various | - |
|
| AMD | AMD Ryzen™ Embedded V2000 | various | - |
|
II. Public POCs for CVE-2021-46757
| # | POC Description | Source Link | Shenlong Link |
|---|
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Other References for CVE-2021-46757 (1)
Same Patch Batch · AMD · 2024-02-13 · 6 CVEs total
| CVE-2023-20570 | AMD UltraScale 安全漏洞 | |
| CVE-2023-31346 | AMD SEV-SNP 安全漏洞 | |
| CVE-2023-31347 | AMD SEV-SNP 安全漏洞 | |
| CVE-2023-20587 | AMD Processor 安全漏洞 | |
| CVE-2023-20579 | AMD Processor 安全漏洞 |
IV. Related Vulnerabilities
V. Comments for CVE-2021-46757
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