# Ptrace Leak Fix Applicable to kernels older than 5.16, this fix addresses a ptrace-related information leak. ## Purpose On kernels older than 5.16, a ptrace-related information leak may be present. This fix patches the kernel to close that leak, improving security for systems using ptrace. ## Build Integration The ptrace leak fix is applied as a patch during the build workflow when `use_ptrace` is enabled. It is enabled by default. ## Related - [index.md](../index.md) — full feature index