Improper input validation in AMD 3rd Gen Epyc™
CVE-2022-23818
Insufficient input validation on the model specific register: VM_HSAVE_PA may potentially lead to loss of SEV-SNP guest memory integrity.
Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N.
EPSS exploit prediction
EPSS: 0.005 (42.2th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 42nd percentile — 42.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: 0.000
Affected products
- AMD 3rd Gen Epyc™ — versions various
- AMD Epyc 72f3
- AMD Epyc 72f3 Firmware — versions milanpi_1.0.0.9
- AMD Epyc 7313
- AMD Epyc 7313 Firmware — versions milanpi_1.0.0.9
- AMD Epyc 7313p
- AMD Epyc 7313p Firmware — versions milanpi_1.0.0.9
- AMD Epyc 7343
- AMD Epyc 7343 Firmware — versions milanpi_1.0.0.9
- AMD Epyc 7373x
Weakness classification (CWE)
References
- www.amd.com/en/corporate/product-security/bulletin/AMD-SB-3001 (vendor-advisory, Vendor Advisory)
Frequently asked questions
- What is CVE-2022-23818?
- CVE-2022-23818 is a high-severity vulnerability in AMD 3rd Gen Epyc™, classified under Improper Input Validation. CVSS score: 7.5/10. Published 2023-05-09.
- How severe is CVE-2022-23818?
- High severity. CVSS v3 base score is 7.5 out of 10.