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CVE-2021-46756— AMD Secure Processor和AMD System Management Unit 输入验证错误漏洞

一分钟漏洞结论

影响对象
AMD Ryzen™ 2000 series Desktop Processors “Raven Ridge” AM4
利用判断
尚无明确在野利用证据,仍需结合暴露面评估
建议动作
优先检查厂商安全公告和参考链接中的修复版本;无法立即升级时,限制受影响服务暴露并加强监测。

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 预测 7.8 利用难度: 中等 EPSS 0.65% · P49
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一、 漏洞 CVE-2021-46756 基础信息

漏洞信息

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Vulnerability Title
N/A
来源: CVE Program / CVE List V5
Vulnerability Description
Insufficient validation of inputs in SVC_MAP_USER_STACK in the ASP (AMD Secure Processor) bootloader may allow an attacker with a malicious Uapp or ABL to send malformed or invalid syscall to the bootloader resulting in a potential denial of service and loss of integrity.
来源: CVE Program / CVE List V5
CVSS Information
N/A
来源: CVE Program / CVE List V5
Vulnerability Type
N/A
来源: CVE Program / CVE List V5
Vulnerability Title
AMD Secure Processor和AMD System Management Unit 输入验证错误漏洞
来源: 中国国家信息安全漏洞库 CNNVD
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。
来源: 中国国家信息安全漏洞库 CNNVD
CVSS Information
N/A
来源: 中国国家信息安全漏洞库 CNNVD
Vulnerability Type
N/A
来源: 中国国家信息安全漏洞库 CNNVD

受影响产品

厂商 产品 影响版本 CPE 订阅
AMD Ryzen™ 2000 series Desktop Processors “Raven Ridge” AM4 various -
AMD Ryzen™ 2000 Series Desktop Processors “Pinnacle Ridge” various -
AMD Ryzen™ 3000 Series Desktop Processors “Matisse” AM4 various -
AMD AMD Ryzen™ 5000 Series Desktop Processors “Vermeer” AM4 various -
AMD Ryzen™ 5000 Series Desktop processor with Radeon™ Graphics “Cezanne” AM4 Various -
AMD 2nd Gen AMD Ryzen™ Threadripper™ Processors “Colfax” various -
AMD 3rd Gen AMD Ryzen™ Threadripper™ Processors “Castle Peak” HEDT various -
AMD Ryzen™ Threadripper™ PRO Processors “Castle Peak” WS various -
AMD Athlon™ 3000 Series Mobile Processors with Radeon™ Graphics “Dali”/”Dali” ULP various -
AMD Athlon™ 3000 Series Mobile Processors with Radeon™ Graphics “Pollock” 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 -
AMD 1st Gen AMD EPYC™ Processors various -
AMD 2nd Gen AMD EPYC™ Processors various -
AMD 3rd Gen AMD EPYC™ Processors various -

二、漏洞 CVE-2021-46756 的公开POC

# POC 描述 源链接 神龙链接
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三、漏洞 CVE-2021-46756 的情报信息

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CVE-2021-46756 其他参考 (2)

同批安全公告 · AMD · 2023-05-09 · 共 26 条

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

显示前 20 条,共 26 条。 查看全部 → →

IV. Related Vulnerabilities

V. Comments for CVE-2021-46756

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