CVE-2025-29946
CVE-2025-29946 is a medium-severity vulnerability with a CVSS 4.0 base score of 4.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-1301.
Key facts
- Severity: Medium (CVSS 4.0 base score 4.5)
- EPSS exploit prediction: 0% (4th percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2025-207134
- Weakness: CWE-1301
- Published:
- Last modified:
Description
Insufficient or Incomplete Data Removal in Hardware Component in SEV firmware doesn't fully flush IOMMU. This can potentially lead to a loss of confidentiality and integrity in guest memory.
Frequently asked questions
- What is CVE-2025-29946?
- Insufficient or Incomplete Data Removal in Hardware Component in SEV firmware doesn't fully flush IOMMU. This can potentially lead to a loss of confidentiality and integrity in guest memory.
- How severe is CVE-2025-29946?
- CVE-2025-29946 has a CVSS 4.0 base score of 4.5, rated medium severity.
- Is CVE-2025-29946 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (4th percentile), an estimate of the probability of exploitation in the next 30 days.
- How do I fix CVE-2025-29946?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- Does CVE-2025-29946 have an EU (EUVD) identifier?
- Yes. CVE-2025-29946 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-207134.
- When was CVE-2025-29946 published?
- CVE-2025-29946 was published on 2026-02-10 and last updated on 2026-06-17.
References
Other CWE-1301 vulnerabilities
- CVE-2025-12216 — Medium (CVSS 5.5): Malicious / Malformed App can be Installed but not Uninstalled/may lead to unavailability.This issue affects BLU-IC2:…