CVE-2022-26459: 
NixOS vulnerability analysis and mitigation

CVE-2022-26459 is a security vulnerability discovered in MediaTek chipsets that was disclosed in September 2022. The vulnerability affects the vow component and is classified as a medium severity issue. It involves an integer overflow that could lead to an out-of-bounds read condition (MediaTek Bulletin).

The vulnerability is caused by an integer overflow in the vow component that could result in an out-of-bounds read condition. It has been assigned a medium severity rating and requires System execution privileges for exploitation. The vulnerability affects multiple MediaTek chipset models including MT6833, MT6853, MT6855, MT6873, MT6877, MT6879, MT6883, MT6885, MT6889, MT6893, MT6895, MT6983, MT8791, and MT8797. The affected software versions include Android 11.0 and 12.0 (MediaTek Bulletin).

The exploitation of this vulnerability could lead to local information disclosure with System execution privileges needed. User interaction is not required for exploitation. The impact is limited to information disclosure capabilities (MediaTek Bulletin).

MediaTek has addressed this vulnerability in their September 2022 security patch. Device OEMs were notified of the issues and corresponding security patches at least two months before publication. Users are advised to update their devices with the latest security patches provided by their device manufacturers (MediaTek Bulletin).