Unverified ownership in Secure Encrypted Virtualization (SEV) firmware could allow a privileged attacker with access to a malicious hypervisor to overwrite guest memory if segmented Reverse Map Table (RMP) is enabled potentially resulting in loss of guest data integrity.
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Solution
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References
History
Wed, 11 Nov 2026 16:30:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Title | SEV Firmware Vulnerability Enables Guest Memory Overwrite via Unverified Ownership |
Wed, 11 Nov 2026 12:15:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Title | SEV Firmware Vulnerability Enables Guest Memory Overwrite via Unverified Ownership |
Tue, 10 Nov 2026 22:00:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | Unverified ownership in Secure Encrypted Virtualization (SEV) firmware could allow a privileged attacker with access to a malicious hypervisor to overwrite guest memory if segmented Reverse Map Table (RMP) is enabled potentially resulting in loss of guest data integrity. | |
| Weaknesses | CWE-283 | |
| References |
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| Metrics |
cvssV4_0
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Status: PUBLISHED
Assigner: AMD
Published:
Updated: 2026-11-10T21:45:05.660Z
Reserved: 2025-03-12T15:14:59.391Z
Link: CVE-2025-29940
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Status : Received
Published: 2026-11-10T22:17:45.890
Modified: 2026-11-10T22:17:45.890
Link: CVE-2025-29940
No data.
OpenCVE Enrichment
Updated: 2026-11-11T16:30:09Z
Weaknesses