VDB-430023 · CVE-2026-58847 · GCVE-0-2026-58847

Google Android VFIO vfio.c kvm_vfio_pviommu_attach double free

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
8.4	$5k-$25k	0.00+

Summaryinfo

A vulnerability classified as very critical has been found in Google Android. Affected by this vulnerability is the function kvm_vfio_pviommu_attach of the file vfio.c of the component VFIO. Performing a manipulation results in double free. This vulnerability was named CVE-2026-58847. The attack needs to be approached locally. There is no available exploit. It is recommended to apply a patch to fix this issue.

Detailsinfo

A vulnerability, which was classified as very critical, was found in Google Android (version now known). This affects the function kvm_vfio_pviommu_attach of the file vfio.c of the component VFIO. The manipulation with an unknown input leads to a double free vulnerability. CWE is classifying the issue as CWE-415. The product calls free() twice on the same memory address, potentially leading to modification of unexpected memory locations. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

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.

It is possible to read the advisory at android.googlesource.com. This vulnerability is uniquely identified as CVE-2026-58847 since 07/02/2026. The exploitability is told 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 11/02/2026).

Applying the patch 8c62fa09cc8a04cbaaa5d00b5dcd51279bee3bdb is able to eliminate this problem.

Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Type

Smartphone Operating System

Vendor

Google

Name

Android

License

free

Website

Vendor: https://www.google.com/

CPE 2.3info

🔒

CPE 2.2info

🔒

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.8
VulDB Meta Temp Score: 8.4

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

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

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

Exploitinginfo

Class: Double free
CWE: CWE-415 / CWE-119
CAPEC: 🔒
ATT&CK: 🔒

Physical: Partially
Local: Yes
Remote: No

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

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔒

Patch: 8c62fa09cc8a04cbaaa5d00b5dcd51279bee3bdb

Timelineinfo

07/02/2026 CVE reserved
11/02/2026 +123 days Advisory disclosed
11/02/2026 +0 days VulDB entry created
11/02/2026 +0 days VulDB entry last update

Sourcesinfo

Vendor: google.com

Advisory: android.googlesource.com
Status: Confirmed

CNA: google_android
CVE: CVE-2026-58847 (🔒)

GCVE (CVE): GCVE-0-2026-58847
GCVE (VulDB): GCVE-100-430023
scip Labs: https://www.scip.ch/en/?labs.20150917

Entryinfo

Created: 11/02/2026 21:19
Changes: 11/02/2026 21:19 (57)
Complete: 🔍
Cache ID: 216::103