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CVE-2021-46792

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 System Management Unit（SMU）和AMD Secure Processor（ASP）都是美国超威半导体（AMD）公司的产品。AMD System Management Unit是一个系统管理单元。AMD Secure Processor是一款独立的 ARM Coretex-A5 芯片。 AMD Secure Processor和AMD System Management Unit 存在安全漏洞。目前尚无此漏洞的相关信息，请随时关注CNNVD或厂商公告。

AI Predicted 4.3 Difficulty: Hard EPSS 0.40% · P33
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I. Basic Information for CVE-2021-46792

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
Time-of-check Time-of-use (TOCTOU) in the BIOS2PSP command may allow an attacker with a malicious BIOS to create a race condition causing the ASP bootloader to perform out-of-bounds SRAM reads upon an S3 resume event potentially leading to a 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和AMD System Management Unit 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
AMD System Management Unit（SMU）和AMD Secure Processor（ASP）都是美国超威半导体（AMD）公司的产品。AMD System Management Unit是一个系统管理单元。AMD Secure Processor是一款独立的 ARM Coretex-A5 芯片。 AMD Secure Processor和AMD System Management Unit 存在安全漏洞。目前尚无此漏洞的相关信息，请随时关注CNNVD或厂商公告。
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™ 5000 Series Desktop processor with Radeon™ Graphics “Cezanne” AM4 Various -
AMD Athlon™ 3000 Series Mobile Processors with Radeon™ Graphics “Dali”/”Dali” ULP 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 Ryzen™ 3000 Series Mobile Processors with Radeon™ Graphics “Renoir” various -
AMD Ryzen™ 5000 Series Mobile Processors with Radeon™ Graphics “Lucienne” various -
AMD Ryzen™ 5000 Series Mobile processors with Radeon™ Graphics “Cezanne” various -

II. Public POCs for CVE-2021-46792

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III. Intelligence Information for CVE-2021-46792

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Other References for CVE-2021-46792 (1)

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-2021-26406 AMD Secure Encrypted Virtualization 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

Showing top 20 of 26 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: Ryzen™ 2000 series Desktop Processors “Raven Ridge” AM4
Same vendor: AMD

V. Comments for CVE-2021-46792

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