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Vulnerability DatabaseCVE-2022-20038

CVE-2022-20038: 
NixOS vulnerability analysis and mitigation

Overview

CVE-2022-20038 is a vulnerability in the CCU (Camera Control Unit) driver that could lead to memory corruption due to an incorrect bounds check. The vulnerability was discovered in February 2022 and affects various MediaTek chipsets running Android 11.0 (NVD, MediaTek).

Technical details

The vulnerability is classified as a medium severity issue with CWE-119 (Improper Restriction of Operations within the Bounds of a Memory Buffer). The flaw exists in the CCU driver where improper memory bounds checking could result in memory corruption. The vulnerability requires System execution privileges for exploitation and no user interaction is needed (MediaTek).

Impact

If exploited, this vulnerability could lead to local escalation of privilege on affected devices. The vulnerability affects MediaTek chipsets including MT6833, MT6853, MT6873, MT6877, MT6885, MT6893, MT8791, and MT8797 running Android 11.0 (MediaTek).

Mitigation and workarounds

MediaTek has released software updates to address this vulnerability. Device manufacturers were notified of the issue and corresponding security patches at least two months before the public disclosure (MediaTek).

Additional resources

Source: This report was generated using AI

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