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Vulnerability DatabaseCVE-2022-21774
CVE-2022-21774:
NixOS vulnerability analysis and mitigation
Overview
CVE-2022-21774 is a medium severity vulnerability discovered in MediaTek's TEEI driver. The vulnerability was disclosed in July 2022 as part of MediaTek's Product Security Bulletin (MediaTek Bulletin).
Technical details
The vulnerability is classified as a race condition (CWE-362: Concurrent Execution using Shared Resource with Improper Synchronization) in the TEEI driver that could lead to a use-after-free condition. The vulnerability affects Android versions 11.0 and 12.0 running on various MediaTek chipsets including MT6761, MT6765, MT6768, MT6771, MT6779, MT6781, MT6785, MT6833, MT6853, MT6875, MT6877, MT6879, MT6885, MT6893, MT6895, and MT6983 (MediaTek Bulletin).
Impact
The vulnerability could potentially lead to local escalation of privilege when exploited. System execution privileges are required for successful exploitation, and no user interaction is needed (MediaTek Bulletin).
Mitigation and workarounds
MediaTek has notified device OEMs of the issue and provided corresponding security patches. The vulnerability was addressed as part of MediaTek's July 2022 security updates (MediaTek Bulletin).
Additional resources
Source: This report was generated using AI
Related NixOS vulnerabilities:
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