CVE-2023-20571 Race condition in Ryzen™ 7040 Series Mobile Processors with Radeon™ Graphics “Phoenix” FP7/FP7r2/FP8
A race condition in AMD SMM code allows attackers with compromised user space to escalate privileges via CVE-2018-8897.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2023-20571?
CVE-2023-20571 is a high-severity vulnerability in AMD Ryzen™ 7040 Series Mobile Processors with Radeon™ Graphics “Phoenix” FP7/FP7r2/FP8, published on 14 Nov 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
A race condition in System Management Mode (SMM) code may allow an attacker using a compromised user space to leverage CVE-2018-8897 potentially resulting in privilege escalation.
Weakness: CWE-362
Which versions are affected by CVE-2023-20571?
It affects 71 products.
Products include Amd Ryzen 3 5100 Firmware, Amd Ryzen 3 5125c Firmware, Amd Ryzen 3 5300g Firmware, Amd Ryzen 3 5300ge Firmware, Amd Ryzen 3 5400u Firmware, Amd Ryzen 3 5425u Firmware and 65 more.
How do I fix CVE-2023-20571?
No fix has been published for CVE-2023-20571 yet. Limit exposure of the affected software until one is available.
Is CVE-2023-20571 being exploited?
There is no known exploitation of CVE-2023-20571 in the wild and no public exploit code.
Other vulnerabilities in AMD Ryzen™ 7040 Series Mobile Processors with Radeon™ Graphics “Phoenix” FP7/FP7r2/FP8
Sources
Also known as GHSA-3x8j-5c5c-jh43.