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Status published
Unknown
CVE-2021-46756
Insufficient validation of inputs in SVC_MAP_USER_STACK in the ASP (AMD Secure...
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.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
No credits recorded in the NVD database.
References
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Affected Vendor
Affected Software
Ryzen™ 2000 series Desktop Processors “Raven Ridge” AM4, Ryzen™ 2000 Series Desktop Processors “Pinnacle Ridge”, Ryzen™ 3000 Series Desktop Processors “Matisse” AM4, AMD Ryzen™ 5000 Series Desktop Processors “Vermeer” AM4, Ryzen™ 5000 Series Desktop processor with Radeon™ Graphics “Cezanne” AM4, 2nd Gen AMD Ryzen™ Threadripper™ Processors “Colfax”, 3rd Gen AMD Ryzen™ Threadripper™ Processors “Castle Peak” HEDT, Ryzen™ Threadripper™ PRO Processors “Castle Peak” WS, Athlon™ 3000 Series Mobile Processors with Radeon™ Graphics “Dali”/”Dali” ULP, Athlon™ 3000 Series Mobile Processors with Radeon™ Graphics “Pollock”, Ryzen™ 2000 Series Mobile Processors “Raven Ridge” FP5, Ryzen™ 3000 Series Mobile processor, 2nd Gen AMD Ryzen™ Mobile Processors with Radeon™ Graphics “Picasso”, Ryzen™ 3000 Series Mobile Processors with Radeon™ Graphics “Renoir” , Ryzen™ 5000 Series Mobile Processors with Radeon™ Graphics “Lucienne”, Ryzen™ 5000 Series Mobile processors with Radeon™ Graphics “Cezanne”, 1st Gen AMD EPYC™ Processors, 2nd Gen AMD EPYC™ Processors, 3rd Gen AMD EPYC™ Processors
Vulnerable Versions:
various , Various , various
Timeline
Official Publish:
May 9th, 2023
Last Modified:
January 28th, 2025
Added to House:
July 21st, 2026
CVSS Vectors
No vector data available
Weaknesses (CWE)
No CWE data available
MITRE ATT&CK TTPs
No associated TTPs found for this vulnerability.