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Fencer Intel
medium 5.9

CVE-2025-54507 json

Improper validation of consistency within input in AMD SEV (Secure Encrypted Virtualization) firmware could allow an attacker with administ…

published 2d ago modified yesterday also EUVD-2025-211315

cvss
5.9
version 4.0, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.2%
EPSS 0.2% chance of exploitation in 30 days, percentile 4%
public exploits
0
none known

Summary

Improper validation of consistency within input in AMD SEV (Secure Encrypted Virtualization) firmware could allow an attacker with administrative privileges to create multiple RMP entries for the same guest physical address, potentially resulting in loss of guest integrity.

Patch / fix

  • AMD AMD EPYC™ 9005 Series Processors TurinPI_1.0.0.8
  • AMD AMD EPYC™ Embedded 9005 Series Processors EmbeddedTurinPI_SP5_1004

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CISA SSVC

Exploitation
none
Automatable
no
Technical impact
partial
Assessed
2d ago

Exploit prediction

0.15% chance of exploitation in the next 30 days, higher than 4% of all scored CVEs (FIRST EPSS, 2026-11-14).

CVSS scores

assigned by version score vector
CNA 4.0 5.9 CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:N/SC:N/SI:H/SA:N
CNA 4.0 5.9 CVSS:4.0/AV:L/AC:L/AT:N/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

Affected products

  • AMD AMD EPYC™ 9005 Series Processors
  • AMD AMD EPYC™ Embedded 9005 Series Processors

Classification

Weakness
  • CWE-1288 Improper Validation of Consistency within Input

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.