1. Unpatched Kernel Flaw CVE-2026-31431 Exposes NixOS Release-25.11 Servers as Backport Remains Absent
A critical Linux kernel privilege-escalation vulnerability has left a cluster of production NixOS servers exposed while the necessary security patch remains absent from the stable release branch. CVE-2026-31431, dubbed "Copy Fail," targets the AF_ALG AEAD interface and enables any local user to escalate to root using a...