CVE-2025-20885: 
NixOS vulnerability analysis and mitigation

CVE-2025-20885 is a security vulnerability discovered in Samsung's softsim TA (Trusted Application) component affecting select Android 12, 13, and 14 devices. The vulnerability was reported on September 19, 2024, and was publicly disclosed in the January 2025 Security Maintenance Release (SMR). It involves an out-of-bounds write vulnerability that could potentially lead to memory corruption (Samsung Mobile).

The vulnerability is classified as a high-severity issue with a CVSS v3.1 base score of 6.7 MEDIUM (Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H). The vulnerability is identified as CWE-787 (Out-of-bounds Write) and affects the softsim Trusted Application component. The vulnerability requires local access and high privileges to exploit (NVD).

If successfully exploited, the vulnerability allows local privileged attackers to cause memory corruption in the affected system. This could potentially lead to system instability or compromise of the device's security (Samsung Mobile).

Samsung has addressed this vulnerability by adding proper input validation in the SMR Jan-2025 Release 1 security update. Users of affected devices should update their systems to the latest security patch level to protect against this vulnerability (Samsung Mobile).