CVE-2018-21072: 
NixOS vulnerability analysis and mitigation

An issue was discovered on Samsung mobile devices with M(6.0), N(7.x), and O(8.0) (Exynos chipsets) software. The vulnerability (CVE-2018-21072) was identified with Samsung ID SVE-2018-11358 in May 2018. The vulnerability affects Samsung mobile devices running Android versions 6.0, 7.x, and 8.0 specifically those using Exynos chipsets (NVD).

The vulnerability involves a kernel driver that allows out-of-bounds Read/Write operations. The vulnerability has been assigned a CVSS v3.1 base score of 9.8 (CRITICAL) with the vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H. The vulnerability is classified under CWE-787 (Out-of-bounds Write) and CWE-125 (Out-of-bounds Read) (NVD).

The vulnerability could potentially lead to arbitrary code execution on affected devices. Given the CVSS score of 9.8, this indicates a critical severity level with high impacts on confidentiality, integrity, and availability of the affected systems (NVD).

Samsung has addressed this vulnerability through their security update process. Users of affected devices should ensure they have applied the latest security patches provided by Samsung (Samsung Mobile).