A time-of-check to time-of-use (TOCTOU) race condition in the AMD SEV Secure Encrypted Virtualization (SEV) firmware could allow an attacker with administrative privileges to bypass security checks on scatter lists, potentially resulting in loss of guest integrity.
Metrics
Affected Vendors & Products
Advisories
No advisories yet.
Fixes
Solution
No solution given by the vendor.
Workaround
No workaround given by the vendor.
References
History
Wed, 11 Nov 2026 12:15:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Title | TOCTOU race in AMD SEV enables security check bypass, risking guest integrity |
Tue, 10 Nov 2026 22:00:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | A time-of-check to time-of-use (TOCTOU) race condition in the AMD SEV Secure Encrypted Virtualization (SEV) firmware could allow an attacker with administrative privileges to bypass security checks on scatter lists, potentially resulting in loss of guest integrity. | |
| Weaknesses | CWE-367 | |
| References |
| |
| Metrics |
cvssV4_0
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Projects
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Status: PUBLISHED
Assigner: AMD
Published:
Updated: 2026-11-10T21:44:27.705Z
Reserved: 2025-07-23T15:01:50.733Z
Link: CVE-2025-54506
No data.
Status : Received
Published: 2026-11-10T22:17:46.640
Modified: 2026-11-10T22:17:46.640
Link: CVE-2025-54506
No data.
OpenCVE Enrichment
Updated: 2026-11-11T12:00:23Z
Weaknesses