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…
EPSS: 0.010 (59.5th percentile) — read the EPSS interpretation.
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.
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
- psirt@amd.com (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.