CVE-2024-21980

high-risk
Published 2024-08-05

Improper restriction of write operations in SNP firmware could allow a malicious hypervisor to potentially overwrite a guest's memory or UMC seed resulting in loss of confidentiality and integrity.

Do I need to act?

~
2.3% 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
7
CVSS 7.9/10 High
LOCAL / LOW complexity

Affected Vendors

Amd
59
/ 100
high-risk
Severity 25/34 · High
Exploitability 5/34 · Minimal
Exposure 29/34 · Critical