CVE-2021-0612
NixOS vulnerability analysis and mitigation

Overview

CVE-2021-0612 is a security vulnerability discovered in the m4u component affecting MediaTek chipsets. The vulnerability was disclosed in September 2021 and affects various MediaTek smartphone chipsets running Android 10.0 and 11.0. The issue involves a possible memory corruption due to a use-after-free condition (MediaTek Bulletin).

Technical details

The vulnerability is classified as a Use After Free (CWE-416) issue in the m4u component. It has been assigned a Medium severity rating. The technical nature of the vulnerability involves potential memory corruption that occurs due to improper handling of freed memory resources. System execution privileges are required for exploitation (MediaTek Bulletin).

Impact

If successfully exploited, this vulnerability could lead to local escalation of privilege with System execution privileges. The vulnerability requires no user interaction for exploitation, making it particularly concerning from a security perspective (MediaTek Bulletin).

Mitigation and workarounds

MediaTek has addressed this vulnerability through a security patch identified as ALPS05403499 and Issue ID: ALPS05425834. The fix was included in the September 2021 security bulletin. Affected device manufacturers have been notified and provided with the necessary patches (CVE Details).

Additional resources


SourceThis report was generated using AI

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