Vulnerability Description
A malicious or compromised UApp or ABL can send a malformed system call to the bootloader, which may result in an out-of-bounds memory access that may potentially lead to an attacker leaking sensitive information or achieving code execution.
CVSS Score
CRITICAL
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Amd | Ryzen 3945Wx Firmware | castlepeakwspi-swrx8_1.0.0.9 |
| Amd | Ryzen 3945Wx | - |
| Amd | Ryzen 3955Wx Firmware | castlepeakwspi-swrx8_1.0.0.9 |
| Amd | Ryzen 3955Wx | - |
| Amd | Ryzen 3960X Firmware | castlepeakwspi-swrx8_1.0.0.9 |
| Amd | Ryzen 3960X | - |
| Amd | Ryzen 3970X Firmware | castlepeakwspi-swrx8_1.0.0.9 |
| Amd | Ryzen 3970X | - |
| Amd | Ryzen 3975Wx Firmware | castlepeakwspi-swrx8_1.0.0.9 |
| Amd | Ryzen 3975Wx | - |
| Amd | Ryzen 3990X Firmware | castlepeakwspi-swrx8_1.0.0.9 |
| Amd | Ryzen 3990X | - |
| Amd | Ryzen 3995Wx Firmware | castlepeakwspi-swrx8_1.0.0.9 |
| Amd | Ryzen 3995Wx | - |
Related Weaknesses (CWE)
References
- https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-4001Vendor Advisory
- https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-4001Vendor Advisory
FAQ
What is CVE-2021-46760?
CVE-2021-46760 is a vulnerability with a CVSS score of 9.8 (CRITICAL). A malicious or compromised UApp or ABL can send a malformed system call to the bootloader, which may result in an out-of-bounds memory access that may potentially lead to an attacker leaking sensitive...
How severe is CVE-2021-46760?
CVE-2021-46760 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.
Is there a patch for CVE-2021-46760?
Check the references section above for vendor advisories and patch information. Affected products include: Amd Ryzen 3945Wx Firmware, Amd Ryzen 3945Wx, Amd Ryzen 3955Wx Firmware, Amd Ryzen 3955Wx, Amd Ryzen 3960X Firmware.