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...
- Published
- Aug 5, 2024
- Updated
- Aug 5, 2024
- Assigning CNA
- AMD
- Evidence observed
- Aug 5, 2026
Primary CVSS
nvd · CVSS 3.1
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:NLow · next 30 days
- Percentile
- 41.3%
- Model date
- Sep 21, 2026
EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.
Summary
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.
Sources
1- cve-2024-21978-pocExploit
Exploit for AMD SEV-SNP firmware vulnerability CVE-2024-21978, enabling decryption of arbitrary guest memory via memory corruption of context pages.
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