Vulnerability in AMD 1st Gen Epyc™ Processors
CVE-2023-20592
Improper or unexpected behavior of the INVD instruction in some AMD CPUs may allow an attacker with a malicious hypervisor to affect cache line write-back behavior of the CPU leading to a potential loss of guest virtual machine (VM) memory integrity.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N.
EPSS exploit prediction
EPSS: 0.010 (62.8th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 63rd percentile — 62.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.010 · newest: 0.010 · change: 0.000
Affected products
- AMD 1st Gen Epyc™ Processors — versions various
- AMD 2nd Gen Epyc™ Processors — versions various
- AMD 3rd Gen Epyc™ Processors — versions various
- AMD Epyc 7001
- AMD Epyc 7001 Firmware
- AMD Epyc 7203
- AMD Epyc 7203 Firmware
- AMD Epyc 7203p
- AMD Epyc 7203p Firmware
- AMD Epyc 7232p
Public proof-of-concept exploits
References
- www.amd.com/en/corporate/product-security/bulletin/AMD-SB-3005 (vendor-advisory, Vendor Advisory)
Frequently asked questions
- What is CVE-2023-20592?
- CVE-2023-20592 is a medium-severity vulnerability in AMD 1st Gen Epyc™ Processors. CVSS score: 6.5/10. Published 2023-11-14.
- How severe is CVE-2023-20592?
- Medium severity. CVSS v3 base score is 6.5 out of 10.
- Is CVE-2023-20592 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.