CVE-2025-29939
No known exploitation. EPSS puts it in the 3rd 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 in secure encrypted virtualization (SEV) could allow a privileged attacker to write to the reverse map page (RMP) during secure nested paging (SNP) initialization, potentially resulting in a loss of guest memory confidentiality and 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 3rd percentile of scored CVEs.
Exploit Prediction Scoring System, FIRST.org. A probability, not a confirmation.
Lifecycle
3 events over 0 days, from the signal feeds we watch.
- Publishedweakness classified, record updated
Affected products
- AMD EPYC™ 9004 Series ProcessorsHardware Firmware
- AMD EPYC™ 7003 Series ProcessorsHardware Firmware
- AMD EPYC™ 9005 Series ProcessorsHardware Firmware
- AMD EPYC™ 8004 Series ProcessorsHardware Firmware
- AMD EPYC™ Embedded 7003 Series ProcessorsHardware Firmware
- AMD EPYC™ Embedded 9004 Series Processors (formerly codenamed "Genoa")Hardware Firmware
- AMD EPYC™ Embedded 9005 Series ProcessorsHardware Firmware
- AMD EPYC™ Embedded 9004 Series Processors (formerly codenamed "Bergamo")Hardware Firmware
And 1 more affected product. See all after sign-in
Technical detail
Weaknesses
Sources
References in the record
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