What’s Vulnerable › Vulnerabilities
CVE-2018-8935
- Severity: critical (CVSS 9.0 v3.0)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 1.8% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2018-03-22 · updated 2026-06-17
Description
The Promontory chipset, as used in AMD Ryzen and Ryzen Pro platforms, has a backdoor in the ASIC, aka CHIMERA-HW.
Affected products
- AMD Ryzen Firmware: all versions
- AMD Ryzen Pro Firmware: all versions
References
- https://amdflaws.com/
- https://blog.trailofbits.com/2018/03/15/amd-flaws-technical-summary/
- https://community.amd.com/community/amd-corporate/blog/2018/03/21/initial-amd-technical-assessment-of-cts-labs-research
- https://safefirmware.com/amdflaws_whitepaper.pdf
- https://amdflaws.com/
- https://blog.trailofbits.com/2018/03/15/amd-flaws-technical-summary/
- https://community.amd.com/community/amd-corporate/blog/2018/03/21/initial-amd-technical-assessment-of-cts-labs-research
- https://safefirmware.com/amdflaws_whitepaper.pdf
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