CVE-2021-46746

MediumCVSS 5.2/10Last modified Jun 17, 2026

Description

Lack of stack protection exploit mechanisms in ASP Secure OS Trusted Execution Environment (TEE) may allow a privileged attacker with access to AMD signing keys to c006Frrupt the return address, causing a stack-based buffer overrun, potentially leading to a denial of service.

Metrics

CVSS 3.1 5.2/10CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:L/I:L/A:H

Weakness enumeration

CWE-120

Affected software

No affected versions have been published.

Timeline

Published
Aug 13, 2024
Last modified
Jun 17, 2026
NVD status
Deferred

Related CVEs from 2021

CVE-2021-467477.1Insufficient granularity of access control in ASP (AMD Secure Processor) may allow an attacker with an untrusted user space application to mCVE-2021-467485.5Insufficient bounds checking in the ASP (AMD Secure Processor) may allow an attacker to access memory outside the bounds of what is permissiCVE-2021-467497.5Insufficient bounds checking in ASP (AMD Secure Processor) may allow for an out of bounds read in SMI (System Management Interface) mailbox CVE-2021-467503.0Failure to validate the address and size in TEE (Trusted Execution Environment) may allow a malicious x86 attacker to send malformed messageCVE-2021-467539.1Failure to validate the length fields of the ASP (AMD Secure Processor) sensor fusion hub headers may allow an attacker with a malicious UapCVE-2021-467549.1Insufficient input validation in the ASP (AMD Secure Processor) bootloader may allow an attacker with a compromised Uapp or ABL to coerce thCVE-2021-467557.5Failure to unmap certain SysHub mappings in error paths of the ASP (AMD Secure Processor) bootloader may allow an attacker with a malicious CVE-2021-467569.1Insufficient validation of inputs in SVC_MAP_USER_STACK in the ASP (AMD Secure Processor) bootloader may allow an attacker with a malicious CVE-2021-467577.8Insufficient checking of memory buffer in ASP Secure OS may allow an attacker with a malicious TA to read/write to the ASP Secure OS kernel CVE-2021-467586.1Insufficient validation of SPI flash addresses in the ASP (AMD Secure Processor) bootloader may allow an attacker to read data in memory mapCVE-2021-467596.1Improper syscall input validation in AMD TEE (Trusted Execution Environment) may allow an attacker with physical access and control of a UapCVE-2021-467609.8A malicious or compromised UApp or ABL can send a malformed system call to the bootloader, which may result in an out-of-bounds memory acces
CVE-2021-46746: Medium severity, CVSS 5.2 | Vulnix