9.0crit
CVE-2018-8936
The AMD EPYC Server, Ryzen, Ryzen Pro, and Ryzen Mobile processor chips allow Platform Security Processor (PSP) privilege escalation.
Published 8 y ago · modified 4 mo ago · JSON
CVSS
9.0
v3.0 · NVD
CISA KEV
No
not known exploited
EPSS
1.8%
percentile 78%
Public exploits
0
none known
Summary
The AMD EPYC Server, Ryzen, Ryzen Pro, and Ryzen Mobile processor chips allow Platform Security Processor (PSP) privilege escalation.
Exploit prediction (EPSS)
1.75% probability of exploitation in the next 30 days, higher than 78% of all scored CVEs.
CVSS scores
| Assigned by | Version | Score | Vector |
|---|---|---|---|
| NVD | 3.0 | 9.0 | CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H |
| NVD | 2.0 | 9.3 | AV:N/AC:M/Au:N/C:C/I:C/A:C |
References
- amdflaws.com / · x_refsource_MISC, x_transferred
- blog.trailofbits.com /2018/03/15/amd-flaws-technical-summary/ · x_refsource_MISC, x_transferred
- community.amd.com /community/amd-corporate/blog/2018/03/21/initial-amd-technical-assessment-of-cts-labs-rese · x_refsource_MISC, x_transferred
- safefirmware.com /amdflaws_whitepaper.pdf · x_refsource_MISC, x_transferred
Sources
- CVE List: CVE-2018-8936
- NVD: CVE-2018-8936
vulnwire keeps one entry per vulnerability: the CVE id wins, then GHSA; records that alias each other are merged. Machine-readable: JSON.