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Vulnerability DatabaseCVE-2023-21459

CVE-2023-21459: 
NixOS vulnerability analysis and mitigation

Overview

Use after free vulnerability in decon driver prior to SMR Mar-2023 Release 1 allows attackers to cause memory access fault. The vulnerability is tracked as CVE-2023-21459 and was discovered in November 2022 (CVE).

Technical details

The vulnerability is classified as a Use After Free (CWE-416) issue. It has received a CVSS v3.1 base score of 9.8 CRITICAL from NIST with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H, while Samsung Mobile assessed it with a CVSS score of 5.0 MEDIUM with vector string CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:L/I:L/A:L (NVD).

Impact

If exploited, this vulnerability could allow attackers to cause memory access faults, potentially leading to system crashes or arbitrary code execution with high impacts on confidentiality, integrity, and availability of the system (NVD).

Mitigation and workarounds

The vulnerability was addressed in the SMR Mar-2023 Release 1 security update. Users should update their Samsung devices to this version or later to mitigate the risk (Samsung Mobile).

Additional resources

Source: This report was generated using AI

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