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Status published
High
CVE-2024-21980
Improper restriction of write operations in SNP firmware could allow...
Vulnerability Description
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.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
No credits recorded in the NVD database.
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Affected Vendor
Affected Software
3rd Gen AMD EPYC™ Processors, 4th Gen AMD EPYC™ Processors, AMD EPYC™ Embedded 7003, AMD EPYC™ Embedded 9003
Vulnerable Versions:
various
Timeline
Official Publish:
August 5th, 2024
Last Modified:
August 5th, 2024
Added to House:
July 22nd, 2026
CVSS Vectors
V3:
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:N