CVE-2021-46759 : Exploit Details and Defense Strategies
Learn about CVE-2021-46759 affecting AMD processors. Discover the impact, affected systems, exploitation risks, and mitigation steps to secure your systems.
AMD CPU vulnerability affecting multiple processor series
Understanding CVE-2021-46759
What is CVE-2021-46759?
AMD Trusted Execution Environment (TEE) vulnerability may allow an attacker to reveal sensitive data.
The Impact of CVE-2021-46759
The vulnerability could lead to a loss of integrity by exposing ASP bootloader memory contents.
Technical Details of CVE-2021-46759
Vulnerability Description
Improper syscall input validation in AMD TEE allows unauthorized memory access.
Affected Systems and Versions
- Ryzen 2000/3000/5000 Series Desktop and Mobile Processors
- Athlon 3000 Series Mobile Processors
Exploitation Mechanism
Attackers with physical access can exploit the flaw to access sensitive data.
Mitigation and Prevention
Immediate Steps to Take
- Monitor system for suspicious activities
- Apply vendor patches promptly
Long-Term Security Practices
- Restrict physical access to systems
- Regular security training for staff
- Implement secure boot and firmware update processes
Patching and Updates
Apply the necessary patches provided by AMD to mitigate the vulnerability.