CVE-2021-46759
Improper syscall input validation in AMD TEE (Trusted Execution Environment) may allow an attacker with physical access and control of a Uapp that runs under the bootloader to reveal the contents of the ASP (AMD Secure Processor) bootloader accessible…
Does this matter?
Lower severity and a low EPSS score (0.28%). Track it; it rarely justifies an emergency change on its own.
Description
Improper syscall input validation in AMD TEE (Trusted Execution Environment) may allow an attacker with physical access and control of a Uapp that runs under the bootloader to reveal the contents of the ASP (AMD Secure Processor) bootloader accessible memory to a serial port, resulting in a potential loss of integrity.
- CVSS 3.1
- 6.1 MEDIUMCVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
- EPSS
- 0.28% probability · 21th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-787
- Affected
- amd/ryzen 5300g firmware · amd/ryzen 5300ge firmware · amd/ryzen 5500 firmware · amd/ryzen 5600 firmware · amd/ryzen 5600g firmware · amd/ryzen 5600ge firmware · amd/ryzen 5600x firmware · amd/ryzen 5700g firmware · amd/ryzen 5700ge firmware · amd/ryzen 5700x firmware · amd/ryzen 5800 firmware · amd/ryzen 5800x3d firmware · amd/ryzen 5800x firmware · amd/ryzen 5900 firmware · amd/ryzen 5900x firmware · amd/ryzen 5945wx firmware · amd/ryzen 5950x firmware · amd/ryzen 5955wx firmware · amd/ryzen 5965wx firmware · amd/ryzen 5975wx firmware · +36 more
- Source
- psirt@amd.com
References
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.