CVE-2024-21980

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.

Affected

AMD · 3rd Gen AMD EPYC™ Processors · 4th Gen AMD EPYC™ Processors · AMD EPYC™ Embedded 7003 · AMD EPYC™ Embedded 9003

CVSS v3.1 NVD

7.9 HIGHCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:N

EPSS

0.45% chance of exploitation in the next 30 days, 38th percentile

Published

2024-08-05

Proof-of-concept exploits (1)

• Freax13/cve-2024-21980-poc8★ · 2024-01-10

References

• CVE Record
• NVD entry

Related

• CVE-2023-20573
• CVE-2023-31346
• CVE-2023-31355
• CVE-2023-46813
• CVE-2024-21978