CVE-2026-58847
Received Received - Intake

KVM VFIO PVIOMMU Double Free Vulnerability

Publication date: 2026-11-02

Last updated on: 2026-11-02

Assigner: Android (associated with Google Inc. or Open Handset Alliance)

Description
In kvm_vfio_pviommu_attach of vfio.c, there is a possible double free due to a logic error in the code. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.

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Meta Information

Published
2026-11-02
Last Modified
2026-11-02
Generated
2026-11-02
AI Q&A
2026-11-02
EPSS Evaluated
N/A
NVD
CVE-2026-58847

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
Google Android Android kernel

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Exploitability

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CWE ID Description
CWE-UNKNOWN

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Executive Summary

This vulnerability is a double free issue in the kvm_vfio_pviommu_attach function of vfio.c. A double free occurs when memory is freed twice, which can lead to memory corruption and potential security exploits. In this case, a logic error in the code causes this double free, allowing local privilege escalation without needing extra execution privileges or user interaction.

Impact Analysis

This vulnerability could allow an attacker with local access to escalate their privileges on the affected system. This means they could gain higher-level permissions, potentially leading to unauthorized access to sensitive data or system control. No additional privileges or user interaction are required for exploitation.

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