AMD
CVE-2025-54506: 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
CVE-2025-54506 Nov 10, 2026 Source: Vendor
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.
Source of record
The credited names below are quoted verbatim from the vendor's own advisory:
https://nvd.nist.gov/vuln/detail/CVE-2025-54506
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