---
id: CVE-2026-58846
title: >-
  In kvm_iommu_map_sg of iommu.c, there is a possible use after free due to a
  missing permission check
summary: >-
  In kvm_iommu_map_sg of iommu.c, there is a possible use after free due to a
  missing permission check. This could lead to local escalation of privilege
  with no additional execution privileges needed. User interaction is not needed
  for exp…
severity: high
cvss: 7.8
cvssVector: 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H'
cwe:
  - CWE-269
vendor: google
product: android
affected:
  - android
published: '2026-09-08'
updated: '2026-09-24'
sourceUpdated: '2026-09-24T16:26:56.140'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-58846'
references:
  - url: >-
      https://android.googlesource.com/kernel/common/+/ad34d15396568919a8ddd306ce2120e76d111b7c
    label: security@android.com
  - url: 'https://source.android.com/docs/security/bulletin/2026/2026-09-01'
    label: security@android.com
tags:
  - nvd
  - cve.org
epss: 0.00093
epssPercentile: 0.0055
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: total
  timestamp: '2026-09-08T20:53:27.645874Z'
ingestedAt: '2026-09-08T19:08:49.640Z'
---

## Overview

In kvm_iommu_map_sg of iommu.c, there is a possible use after free due to a missing permission check. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.

## Affected

- `android`

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.