8.8
High
CVE-2023-20559 Insufficient control flow management in AmdCpmGpioInitSmm may allow a privileged attacker to tamper with the SMM handler…
Description
Insufficient control flow management in AmdCpmGpioInitSmm may allow a privileged attacker to tamper with the SMM handler potentially leading to escalation of privileges.
Affected products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| Ryzen™ 2000 Series | Versions not published | |
| Ryzen™ 3000 Series | Versions not published | |
| Ryzen™ 4000 Series | Versions not published | |
| Ryzen™ 5000 Series | Versions not published | |
| 2nd Gen AMD Ryzen™ Threadripper™ Processor | Versions not published | |
| 3rd Gen AMD Ryzen™ Threadripper™ Processors | Versions not published | |
| Ryzen™ Threadripper™ PRO Processor | Versions not published |