CVE-2022-21773

Published: Jul 6, 2022Modified: Jun 17, 2026

6.7

Vector

CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Exploitability: 0.8 / Impact: 5.9

Source: NVD

Description

In TEEI driver, there is a possible use after free due to a race condition. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALPS06641388; Issue ID: ALPS06641388.

Affected (2)

Products: Google: Android

Google

1 product

Android

Configuration A

2 vulnerable · 34 platform

Vulnerable Software	Affected Versions
Google Android	Version 11.0
Google Android	Version 12.0

Running on/with	Platform Versions
Mediatek Mt6580	All versions
Mediatek Mt6735	All versions
Mediatek Mt6737	All versions
Mediatek Mt6739	All versions
Mediatek Mt6750	All versions
Mediatek Mt6750s	All versions
Mediatek Mt6755	All versions
Mediatek Mt6755s	All versions
Mediatek Mt6761	All versions
Mediatek Mt6762	All versions
Mediatek Mt6763	All versions
Mediatek Mt6765	All versions
Mediatek Mt6768	All versions
Mediatek Mt6769	All versions
Mediatek Mt6771	All versions
Mediatek Mt6779	All versions
Mediatek Mt6781	All versions
Mediatek Mt6785	All versions
Mediatek Mt6789	All versions
Mediatek Mt6795	All versions
Mediatek Mt6797	All versions
Mediatek Mt6833	All versions
Mediatek Mt6853	All versions
Mediatek Mt6853t	All versions
Mediatek Mt6873	All versions
Mediatek Mt6875	All versions
Mediatek Mt6877	All versions
Mediatek Mt6879	All versions
Mediatek Mt6883	All versions
Mediatek Mt6885	All versions
Mediatek Mt6889	All versions
Mediatek Mt6890	All versions
Mediatek Mt6891	All versions
Mediatek Mt6893	All versions

Related CWEs

CWE-362

Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')

The product contains a code sequence that can run concurrently with other code, and the code sequence requires temporary, exclusive access to a shared resource, but a timing window exists in which the shared resource can be modified by another code sequence that is operating concurrently.

References (2)

https://corp.mediatek.com/product-security-bulletin/July-2022

Source: security@mediatek.com

Vendor Advisory

https://corp.mediatek.com/product-security-bulletin/July-2022

Source: af854a3a-2127-422b-91ae-364da2661108

Vendor Advisory

Timeline

No history available yet.