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CVE-2024-21980

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CVE-2024-21980

Published: Aug 5, 2024

Modified: Aug 5, 2024

PUBLISHED

CVSS v3.1

7.9

HIGH

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.

VendorProductVersions

AMD

3rd Gen AMD EPYC™ Processors

affected
various - < MilanPI 1.0.0.D

AMD

4th Gen AMD EPYC™ Processors

affected
various - < GenoaPI 1.0.0.C

AMD

AMD EPYC™ Embedded 7003

affected
various - < EmbMilanPI-SP3 1.0.0.9

AMD

AMD EPYC™ Embedded 9003

affected
various - < EmbGenoaPI-SP5 1.0.0.7

Weaknesses (CWE)

CWE-119

CVSS v3.1 Details

CVSS v3.1 Vector

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

Attack Vector

Local

Attack Complexity

Low

Privileges Required

High

User Interaction

None

Scope

Changed

Confidentiality

High

Integrity

High

Availability

None

References

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