CVE-2025-54509
No known exploitation. EPSS puts it in the 2nd percentile. No fix published yet.
What to do
No fixed build or workaround is published yet. Limit exposure and watch for a patch.
What it is
From the CVE record
Improper access control for register interface in the Input-Output Memory Management Unit (IOMMU) could allow a privileged attacker to cause non-coherent accesses by the AMD Secure Processor (ASP), potentially resulting in loss of integrity.
In plain language
No plain-language summary for this CVE yet.
Exploitation
Where each signal puts this CVE on the scale from published to confirmed exploited.
- CISA KEV
Not in the catalog. CISA has not confirmed exploitation.
- Public exploits
No public exploit or proof of concept found in the sources we track.
- EPSS
0.1% chance of exploitation activity in the next 30 days, which ranks it in the 2nd percentile of scored CVEs.
Exploit Prediction Scoring System, FIRST.org. A probability, not a confirmation.
Lifecycle
5 events over 44 days, from the signal feeds we watch.
- Record updatedrecord updated
- Publishedweakness classified, record updated
Affected products
- AMD EPYC™ 9004 Series ProcessorsHardware Firmware
- AMD EPYC™ 9005 Series ProcessorsHardware Firmware
- AMD EPYC™ 8004 Series ProcessorsHardware Firmware
- AMD EPYC™ Embedded 9004 Series Processors (formerly codenamed "Genoa")Hardware Firmware
- AMD EPYC™ Embedded 9004 Series Processors (formerly codenamed "Bergamo")Hardware Firmware
- AMD EPYC™ Embedded 8004 Series ProcessorsHardware Firmware
- AMD EPYC™ Embedded 9005 Series ProcessorsHardware Firmware
Technical detail
Weaknesses
Sources
References in the record
In the news
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