CVE-2025-54508 · Infrastructure
NO FIX YET
AMD's Secure Encrypted Virtualization firmware does not properly validate Reverse Map Table entries, so concurrent modifications can happen without synchronization. A privileged attacker can cause loss of data integrity in protected virtual machines.
first public Nov 10, 2026 · 1 source
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Hosts running AMD EPYC processors with SEV firmware that use confidential virtual machines are the systems in scope. The sources do not name affected firmware versions or the steps to confirm exposure. Teams not running AMD SEV confidential computing can skip it.
Not affected if no-amd-sev
Who cares amd, confidential-computing, hypervisor, sev
Unknown from the sources.
No fix yet, per the sources.
Improper validation of Reverse Map Table (RMP) entries in the Secure Encrypted Virtualization (SEV) firmware could allow a privileged attacker to trigger concurrent modifications to RMP entries without proper synchronization potentially resulting in loss of data integrity.
This page as .md · .json · CVSS:4.0/AV:L/AC:L/AT:P/PR:H/UI:N/VC:N/VI:N/VA:N/SC:N/SI:H/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
NVD data is provided by NIST and is public domain. Posts quoted belong to their authors.
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