Finit provides fast init for Linux systems. Finit's urandom plugin has a heap buffer overwrite vulnerability at boot which leads to it overwriting other parts of the heap, possibly causing random instabilities and undefined behavior. The urandom plugin is enabled by default, so this bug affects everyone using Finit 4.2 or later that do not explicitly disable the plugin at build time. This bug is fixed in Finit 4.12. Those who cannot upgrade or backport the fix to urandom.c are strongly recommended to disable the plugin in the call to the `configure` script.
This vulnerability carries a MEDIUM severity rating with a CVSS v3.1 score of 4.6, requiring local system access to exploit but requires specific conditions to be met though user interaction is required . The vulnerability impacts integrity (unauthorized modifications), and limited availability for affected systems.
Reported in 2025, this vulnerability emerged during an era marked by increased sophistication in supply chain attacks, cloud infrastructure vulnerabilities, and software-as-a-service (SaaS) security challenges. Security practices during this period emphasized zero-trust architectures, container security, and API protection.
2025-05-06T17:16:12.097
2026-06-17T09:11:20.177
Deferred
CVSSv3.1: 4.6 (MEDIUM)
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