CVE-2025-29939_CVE-2025-29939

6.9 / 10

MEDIUM

CVSS:4.0/AV:L/AC:L/AT:P/PR:H/UI:N/VC:N/VI:H/VA:N/SC:H/SI:H/SA:N

Description

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.

Basic Information

ID CVE-2025-29939

Source AMD

Published Feb 10, 2026 at 19:11

Affected Product

Vendor AMD

Product AMD EPYC™ 9004 Series Processors

Version GenoaPI 1.0.0.G

CWE Classification

CWE-284

References

www.amd.com /en/resources/product-security/bulletin/AMD-SB-3023.html

{
    "lastseen": "",
    "description": "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.",
    "published": "2026-02-10T19:11:59.059Z",
    "modified": "2026-02-10T19:11:59.059Z",
    "type": "cve",
    "title": "CVE-2025-29939",
    "source": "AMD",
    "references": "https://www.amd.com/en/resources/product-security/bulletin/AMD-SB-3023.html",
    "id": "CVE-2025-29939",
    "bulletinFamily": "",
    "cwe": [
        "CWE-284"
    ],
    "cvelist": null,
    "sourceData": "",
    "sourceHref": "",
    "cvss": {
        "score": 6.9,
        "severity": "MEDIUM",
        "vector": "CVSS:4.0/AV:L/AC:L/AT:P/PR:H/UI:N/VC:N/VI:H/VA:N/SC:H/SI:H/SA:N",
        "version": "4.0"
    },
    "cvss2": [],
    "cvss3": {
        "version": "",
        "vectorString": "",
        "baseScore": 0,
        "baseSeverity": "",
        "attackVector": "",
        "attackComplexity": "",
        "privilegesRequired": "",
        "userInteraction": "",
        "scope": "",
        "confidentialityImpact": "",
        "integrityImpact": "",
        "availabilityImpact": "",
        "cvssV3": {
            "version": "",
            "vectorString": "",
            "baseScore": 0,
            "baseSeverity": "",
            "attackVector": "",
            "attackComplexity": "",
            "privilegesRequired": "",
            "userInteraction": "",
            "scope": "",
            "confidentialityImpact": "",
            "integrityImpact": "",
            "availabilityImpact": ""
        }
    },
    "href": "",
    "category_name": "CVE",
    "post_link": "",
    "product": "AMD EPYC\u2122 9004 Series Processors",
    "version": "GenoaPI 1.0.0.G",
    "vendor": "AMD",
    "ai_description": "",
    "ai_severity": "",
    "ai_vendor": "",
    "ai_product": "",
    "ai_version": "",
    "ai_score": 0
}