Improper input validation in AMD 3rd Gen Epyc™ Processors
CVE-2024-21978
Improper input validation in SEV-SNP could allow a malicious hypervisor to read or overwrite guest memory potentially leading to data leakage or data corruption.
Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.0 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N.
EPSS exploit prediction
EPSS: 0.005 (41.0th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 41st percentile — 41.0% 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™ Processors — versions various
- AMD 4th Gen Epyc™ Processors — versions various
- AMD Epyc™ Embedded 7003 — versions various
- AMD Epyc™ Embedded 9003 — versions various
- AMD Epyc 7203
- AMD Epyc 7203 Firmware
- AMD Epyc 7203p
- AMD Epyc 7203p Firmware
- AMD Epyc 72f3
- AMD Epyc 72f3 Firmware
Weakness classification (CWE)
Public proof-of-concept exploits
References
- https://www.amd.com/en/resources/product-security/bulletin/amd-sb-3011.html (vendor-advisory, Broken Link)
Frequently asked questions
- What is CVE-2024-21978?
- CVE-2024-21978 is a medium-severity vulnerability in AMD 3rd Gen Epyc™ Processors, classified under Improper Input Validation. CVSS score: 6.0/10. Published 2024-08-05.
- How severe is CVE-2024-21978?
- Medium severity. CVSS v3 base score is 6.0 out of 10.
- Is CVE-2024-21978 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.