CVE-2018-8935 Other in n/a

Critical 9.0 Published 22 Mar 2018 Updated 5 Aug 2024

A hardware backdoor in the Promontory chipset allows attackers to execute code and escalate privileges on affected AMD Ryzen platforms.

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-2018-8935?

CVE-2018-8935 is a critical vulnerability in n/a, published on 22 Mar 2018. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

The Promontory chipset, as used in AMD Ryzen and Ryzen Pro platforms, has a backdoor in the ASIC, aka CHIMERA-HW.

Which versions are affected by CVE-2018-8935?

It affects 2 products.

Products include Amd Ryzen Firmware, Amd Ryzen Pro Firmware.

How do I fix CVE-2018-8935?

No fix has been published for CVE-2018-8935 yet. Limit exposure of the affected software until one is available.

Is CVE-2018-8935 being exploited?

There is no known exploitation of CVE-2018-8935 in the wild and no public exploit code.

Sources

Also known as GHSA-phg8-9gc2-v5p9.