Back to Database
Status published
Unknown
CVE-2021-46794
Insufficient bounds checking in ASP (AMD Secure Processor) may allow for...
Vulnerability Description
Insufficient bounds checking in ASP (AMD Secure Processor) may allow for an out of bounds read in SMI (System Management Interface) mailbox checksum calculation triggering a data abort, resulting in a potential denial of service.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
THREAT MONITOR
Am I Vulnerable?
Launch our assessment wizard to check if your infrastructure is exposed to • CVE-2021-46794
Credits & Attribution
No credits recorded in the NVD database.
More from AMD
View All →CVE-2025-66664
Insufficient parameter sanitization in AMD Secure Processor (ASP) TEE SOC...
Medium
4.6
CVE-2025-66660
Insufficient parameter sanitization in TEE SOC Driver could allow an...
Low
1.8
CVE-2025-62628
Unsafe OpenSSL initialization within some AMD optional tools may allow...
High
7
CVE-2025-62627
An untrusted pointer dereference in the ionic cloud driver for...
High
7.2
CVE-2025-62626
Improper handling of insufficient entropy in the AMD CPUs could...
High
7.2
Affected Vendor
Affected Software
Ryzen™ 2000 series Desktop Processors “Raven Ridge” AM4, 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, 3rd Gen AMD Ryzen™ Threadripper™ Processors “Castle Peak” HEDT, Ryzen™ Threadripper™ PRO Processors “Castle Peak” WS, Ryzen™ Threadripper™ PRO Processors “Chagall” 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”
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.