CVE-2024-21978

high-risk
Published 2024-08-05

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.

Do I need to act?

~
1.6% chance of exploitation in next 30 days
EPSS score — moderate exploit probability
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
6
CVSS 6.0/10 Medium
LOCAL / LOW complexity

Affected Vendors

Amd
53
/ 100
high-risk
Severity 20/34 · Moderate
Exploitability 4/34 · Minimal
Exposure 29/34 · Critical