Input validation error in AMD Ryzen 3000 Series Mobile processor with Radeon graphics and AMD Ryzen 5000 Series Mobile processor with Radeon graphics - CVE-2020-12946

 

Input validation error in AMD Ryzen 3000 Series Mobile processor with Radeon graphics and AMD Ryzen 5000 Series Mobile processor with Radeon graphics - CVE-2020-12946

Published: May 26, 2022


Vulnerability identifier: #VU63730
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2020-12946
CWE-ID: CWE-20
Exploitation vector: Local access
Exploit availability: No public exploit available
Vendor: AMD
Affected software:
AMD Ryzen 3000 Series Mobile processor with Radeon graphics
AMD Ryzen 5000 Series Mobile processor with Radeon graphics

Detailed vulnerability description

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to insufficient validation of user-supplied input in ASP firmware for discrete TPM commands. A local user can perform a denial of service (DoS) attack.


How to mitigate CVE-2020-12946

Install updates from vendor's website.

Sources