CVE-2025-48623

In init_pkvm_hyp_vcpu of pkvm.c, there is a possible out of bounds write due to improper input validation. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.

CVSS v3 7.8 HIGH

7.8^/10

CVSS v3 : HIGH

Vector :

Exploitability : 1.8 / Impact : 5.9

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://android.googlesource.com/kernel/common/+/3b6fab0ff24f7108c71a4d9c12567455cb2a5a81	Patch Product
https://android.googlesource.com/kernel/common/+/e76cff4952af4ac4652dc74ffbd134ff57c47895	Patch Product
https://source.android.com/security/bulletin/2025-12-01	Vendor Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:o:google:android:-:*:*:*:*:*:*:*

History

30 Sep 2026, 16:10

Type	Values Removed	Values Added
Summary		(es) En init_pkvm_hyp_vcpu de pkvm.c, existe una posible escritura fuera de límites debido a una validación de entrada inadecuada. Esto podría llevar a una escalada local de privilegios sin necesidad de privilegios de ejecución adicionales. No se requiere interacción del usuario para la explotación.

Information

Published : 2025-12-08 17:16

Updated : 2026-10-07 20:10

NVD link : CVE-2025-48623

Mitre link : CVE-2025-48623

CVE.ORG link : CVE-2025-48623

JSON object : View

Products Affected

google

android

CWE

CWE-787

Out-of-bounds Write

CWE-20

Improper Input Validation

{"id": "CVE-2025-48623", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2025-48623", "role": "CISA Coordinator", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "total"}], "version": "2.0.3", "timestamp": "2025-12-09T04:56:10.059341Z"}}], "cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.8, "attackVector": "LOCAL", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 1.8}, {"type": "Secondary", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.8, "attackVector": "LOCAL", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 1.8}]}, "affected": [{"source": "security@android.com", "affectedData": [{"vendor": "Google", "product": "Android", "versions": [{"status": "affected", "version": "Android kernel"}], "defaultStatus": "unaffected"}]}], "published": "2025-12-08T17:16:18.653", "references": [{"url": "https://android.googlesource.com/kernel/common/+/3b6fab0ff24f7108c71a4d9c12567455cb2a5a81", "tags": ["Patch", "Product"], "source": "security@android.com"}, {"url": "https://android.googlesource.com/kernel/common/+/e76cff4952af4ac4652dc74ffbd134ff57c47895", "tags": ["Patch", "Product"], "source": "security@android.com"}, {"url": "https://source.android.com/security/bulletin/2025-12-01", "tags": ["Vendor Advisory"], "source": "security@android.com"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-787"}]}, {"type": "Secondary", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "description": [{"lang": "en", "value": "CWE-20"}, {"lang": "en", "value": "CWE-787"}]}], "descriptions": [{"lang": "en", "value": "In init_pkvm_hyp_vcpu of pkvm.c, there is a possible out of bounds write due to improper input validation. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation."}, {"lang": "es", "value": "En init_pkvm_hyp_vcpu de pkvm.c, existe una posible escritura fuera de l\u00edmites debido a una validaci\u00f3n de entrada inadecuada. Esto podr\u00eda llevar a una escalada local de privilegios sin necesidad de privilegios de ejecuci\u00f3n adicionales. No se requiere interacci\u00f3n del usuario para la explotaci\u00f3n."}], "lastModified": "2026-10-07T20:10:01.970", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:google:android:-:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "F8B9FEC8-73B6-43B8-B24E-1F7C20D91D26"}], "operator": "OR"}]}], "sourceIdentifier": "security@android.com"}