CVE-2018-8935
CRITICALAMD Ryzen and Ryzen Pro Firmware - Backdoor in Promontory Chipset ASIC
Title source: llmDescription
The Promontory chipset, as used in AMD Ryzen and Ryzen Pro platforms, has a backdoor in the ASIC, aka CHIMERA-HW.
References (4)
Core 4
Core References
Third Party Advisory x_refsource_misc
https://amdflaws.com/
Third Party Advisory x_refsource_misc
https://blog.trailofbits.com/2018/03/15/amd-flaws-technical-summary/
Vendor Advisory x_refsource_misc
https://community.amd.com/community/amd-corporate/blog/2018/03/21/initial-amd-technical-assessment-of-cts-labs-research
Third Party Advisory x_refsource_misc
https://safefirmware.com/amdflaws_whitepaper.pdf
Scores
CVSS v3
9.0
EPSS
0.0057
EPSS Percentile
68.9%
Attack Vector
NETWORK
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H
Details
Status
published
Products (2)
amd/ryzen_firmware
amd/ryzen_pro_firmware
Published
Mar 22, 2018
Tracked Since
Feb 18, 2026