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Vulnerability DatabaseCVE-2021-25458

CVE-2021-25458: 
NixOS vulnerability analysis and mitigation

Overview

NULL pointer dereference vulnerability in ION driver prior to SMR Sep-2021 Release 1 allows attackers to cause memory corruption. The vulnerability affects Android versions 8.1, 9.0, 10.0, and 11.0 (Samsung Advisory).

Technical details

The vulnerability is classified as a NULL Pointer Dereference (CWE-476) issue. It has been assigned a CVSS v3.1 base score of 5.5 MEDIUM (CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H) by NIST NVD, while Samsung Mobile assessed it with a score of 3.3 LOW (CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N) (NVD).

Impact

The vulnerability can lead to memory corruption when successfully exploited. The attack requires local access with low privileges and no user interaction (NVD).

Mitigation and workarounds

The vulnerability was addressed in Samsung Mobile Security Maintenance Release (SMR) Sep-2021 Release 1. Users should update their devices to the latest available security patch level (Samsung Advisory).

Additional resources

Source: This report was generated using AI

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