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CVE-2021-46756

EPSS 0.15% · P36
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I. Basic Information for CVE-2021-46756

Vulnerability Information
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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
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.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Title
AMD Secure Processor和AMD System Management Unit 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

VendorProductAffected VersionsCPESubscribe
AMDRyzen™ 2000 series Desktop Processors “Raven Ridge” AM4 various -
AMDRyzen™ 2000 Series Desktop Processors “Pinnacle Ridge” various -
AMDRyzen™ 3000 Series Desktop Processors “Matisse” AM4 various -
AMDAMD Ryzen™ 5000 Series Desktop Processors “Vermeer” AM4 various -
AMDRyzen™ 5000 Series Desktop processor with Radeon™ Graphics “Cezanne” AM4 Various -
AMD2nd Gen AMD Ryzen™ Threadripper™ Processors “Colfax” various -
AMD3rd Gen AMD Ryzen™ Threadripper™ Processors “Castle Peak” HEDT various -
AMDRyzen™ Threadripper™ PRO Processors “Castle Peak” WS various -
AMDAthlon™ 3000 Series Mobile Processors with Radeon™ Graphics “Dali”/”Dali” ULP various -
AMDAthlon™ 3000 Series Mobile Processors with Radeon™ Graphics “Pollock” various -
AMDRyzen™ 2000 Series Mobile Processors “Raven Ridge” FP5 various -
AMDRyzen™ 3000 Series Mobile processor, 2nd Gen AMD Ryzen™ Mobile Processors with Radeon™ Graphics “Picasso” various -
AMDRyzen™ 3000 Series Mobile Processors with Radeon™ Graphics “Renoir” various -
AMDRyzen™ 5000 Series Mobile Processors with Radeon™ Graphics “Lucienne” various -
AMDRyzen™ 5000 Series Mobile processors with Radeon™ Graphics “Cezanne” various -
AMD1st Gen AMD EPYC™ Processors various -
AMD2nd Gen AMD EPYC™ Processors various -
AMD3rd Gen AMD EPYC™ Processors various -

II. Public POCs for CVE-2021-46756

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III. Intelligence Information for CVE-2021-46756

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Same Patch Batch · AMD · 2023-05-09 · 26 CVEs total

CVE-2021-467623.9 LOWAMD Secure Processor和AMD System Management Unit 输入验证错误漏洞
CVE-2021-26365AMD Secure Processor和AMD System Management Unit 缓冲区错误漏洞
CVE-2021-26379AMD Secure Processor和AMD System Management Unit 安全漏洞
CVE-2021-26397AMD Secure Processor和AMD System Management Unit 安全漏洞
CVE-2021-46763AMD Secure Processor和AMD System Management Unit 缓冲区错误漏洞
CVE-2021-46764AMD Secure Processor和AMD System Management Unit 缓冲区错误漏洞
CVE-2021-46769AMD Secure Processor和AMD System Management Unit 输入验证错误漏洞
CVE-2021-46775AMD Secure Processor和AMD System Management Unit 输入验证错误漏洞
CVE-2022-23818AMD Secure Processor和AMD System Management Unit 输入验证错误漏洞
CVE-2023-20520AMD Secure Processor和AMD System Management Unit 缓冲区错误漏洞
CVE-2023-20524AMD Secure Processor和AMD System Management Unit 缓冲区错误漏洞
CVE-2021-26354AMD Secure Processor和AMD System Management Unit 安全漏洞
CVE-2021-26356AMD Secure Processor和AMD System Management Unit 安全漏洞
CVE-2021-46794AMD Secure Processor和AMD System Management Unit 缓冲区错误漏洞
CVE-2021-26371AMD Secure Processor和AMD System Management Unit 安全漏洞
CVE-2021-26406AMD Secure Encrypted Virtualization 安全漏洞
CVE-2021-46749AMD Secure Processor和AMD System Management Unit 缓冲区错误漏洞
CVE-2021-46753AMD Secure Processor和AMD System Management Unit 安全漏洞
CVE-2021-46754AMD Secure Processor和AMD System Management Unit 输入验证错误漏洞
CVE-2021-46755AMD 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-2021-46756

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