Vulnerability Description
A malicious or compromised UApp or ABL may be used by an attacker to issue a malformed system call which results in mapping sensitive System Management Network (SMN) registers leading to a loss of integrity and availability.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Amd | Radeon Software | - |
| Amd | Ryzen 3 2200U Firmware | - |
| Amd | Ryzen 3 2200U | - |
| Amd | Ryzen 3 2300U Firmware | - |
| Amd | Ryzen 3 2300U | - |
| Amd | Ryzen 3 5125C Firmware | - |
| Amd | Ryzen 3 5125C | - |
| Amd | Ryzen 3 5400U Firmware | - |
| Amd | Ryzen 3 5400U | - |
| Amd | Athlon 3050Ge Firmware | - |
| Amd | Athlon 3050Ge | - |
| Amd | Athlon 3150Ge Firmware | - |
| Amd | Athlon 3150Ge | - |
| Amd | Athlon 3150G Firmware | - |
| Amd | Athlon 3150G | - |
| Amd | Ryzen 3 5425C Firmware | - |
| Amd | Ryzen 3 5425C | - |
| Amd | Ryzen 3 5425U Firmware | - |
| Amd | Ryzen 3 5425U | - |
| Amd | Ryzen 5 2500U Firmware | - |
References
- https://www.amd.com/en/corporate/product-security/bulletin/amd-sb-1027Vendor Advisory
- https://www.amd.com/en/corporate/product-security/bulletin/amd-sb-1027Vendor Advisory
FAQ
What is CVE-2021-26362?
CVE-2021-26362 is a vulnerability with a CVSS score of 7.1 (HIGH). A malicious or compromised UApp or ABL may be used by an attacker to issue a malformed system call which results in mapping sensitive System Management Network (SMN) registers leading to a loss of int...
How severe is CVE-2021-26362?
CVE-2021-26362 has been rated HIGH with a CVSS base score of 7.1/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2021-26362?
Check the references section above for vendor advisories and patch information. Affected products include: Amd Radeon Software, Amd Ryzen 3 2200U Firmware, Amd Ryzen 3 2200U, Amd Ryzen 3 2300U Firmware, Amd Ryzen 3 2300U.