#VU63738 Race condition in AMD products - CVE-2020-12951

Vulnerability identifier: #VU63738

Vulnerability risk: Low

CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear

CVE-ID: CVE-2020-12951

CWE-ID: CWE-362

Exploitation vector: Local access

Exploit availability: No public exploit available

Vulnerable software:
AMD Ryzen 2000 series Desktop processor
AMD Ryzen 3000 Series Desktop processor
AMD Ryzen 5000 Series Desktop processor
3rd Gen AMD Ryzen Threadripper processors
AMD Ryzen Threadripper PRO processors
AMD Ryzen 3000 Series Mobile processor
2nd Gen AMD Ryzen Mobile processor with Radeon graphics
AMD Athlon 3000 Series Mobile processors with Radeon Graphics
AMD Ryzen 3000 Series Mobile processor with Radeon graphics
AMD Ryzen 5000 Series Mobile processor with Radeon graphics

Software vendor:
AMD

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to a race condition in ASP firmware. A local user can exploit the race and perform ASP SMM (System Management Mode) operations.

Install updates from vendor's website.

• https://www.amd.com/en/corporate/product-security/bulletin/amd-sb-1027