Google Android IOMMU iommu.c kvm_iommu_map_sg use after free

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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8.1$5k-$25k0.00+

Summaryinfo

A vulnerability classified as very critical has been found in Google Android. Affected by this issue is the function kvm_iommu_map_sg of the file iommu.c of the component IOMMU. This manipulation causes use after free. The identification of this vulnerability is CVE-2026-58846. The attack can only be executed locally. There is no exploit available. To fix this issue, it is recommended to deploy a patch.

Detailsinfo

A vulnerability has been found in Google Android (version now known) and classified as very critical. Affected by this vulnerability is the function kvm_iommu_map_sg of the file iommu.c of the component IOMMU. The manipulation with an unknown input leads to a use after free vulnerability. The CWE definition for the vulnerability is CWE-416. Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

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.

It is possible to read the advisory at android.googlesource.com. This vulnerability is known as CVE-2026-58846 since 07/02/2026. The exploitation appears to be easy. Attacking locally is a requirement. Technical details of the vulnerability are known, but there is no available exploit. The pricing for an exploit might be around USD $5k-$25k at the moment (estimation calculated on 09/09/2026).

Applying the patch ad34d15396568919a8ddd306ce2120e76d111b7c is able to eliminate this problem.

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

Vendor

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.3
VulDB Meta Temp Score: 8.1

VulDB Base Score: 8.8
VulDB Temp Score: 8.4
VulDB Vector: 🔒
VulDB Reliability: 🔍

ADP CISA Base Score: 7.8
ADP CISA Vector: 🔒

CVSSv2info

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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Use after free
CWE: CWE-416 / CWE-119
CAPEC: 🔒
ATT&CK: 🔒

Physical: Partially
Local: Yes
Remote: No

Availability: 🔒
Status: Not defined
Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔒

Patch: ad34d15396568919a8ddd306ce2120e76d111b7c

Timelineinfo

07/02/2026 CVE reserved
09/08/2026 +68 days VulDB entry created
09/09/2026 +0 days Advisory disclosed
09/09/2026 +0 days VulDB entry last update

Sourcesinfo

Vendor: google.com

Advisory: android.googlesource.com
Status: Confirmed

CVE: CVE-2026-58846 (🔒)
GCVE (CVE): GCVE-0-2026-58846
GCVE (VulDB): GCVE-100-400819
scip Labs: https://www.scip.ch/en/?labs.20150917

Entryinfo

Created: 09/09/2026 00:56
Changes: 09/09/2026 00:56 (66)
Complete: 🔍
Cache ID: 216::103

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