Patch Window

v2.0.0  ·  97 patches  ·  uptime 65d

Articles in Sysadmin Craft

BRIEF

Vault 2.0.2 drops cap_ipc_lock in containers

Vault 2.0.2 removes cap_ipc_lock from the binary at build time, reversing a change made in 2.0.1. Without action, vault mlock container workloads can no longer pin secrets in memory -- check your securityContext and Helm values before upgrading.

BRIEF

Android CVE-2025-48595: patch now, active

Google's June 2026 Android Security Bulletin includes CVE-2025-48595, an integer overflow in Framework that enables local privilege escalation. Google confirms active targeted exploitation. CISA added it to KEV on June 2 with a federal remediation deadline of June 5.

DEEP DIVE

Wazuh 4.x to 5.0 migration checklist

Wazuh 5.0 is not a standard upgrade. The manager cannot be upgraded in-place from any 4.x version -- you are doing a clean install. This checklist covers the full migration: agent inventory, manager rebuild, config migration, and post-migration verification.

GUIDE

BGP Full Table in Your Homelab: Deep Dive

Connect your homelab router to a free live BGP full-table feed and learn RPKI, path selection, communities, and filtering with BIRD2 or FRRouting — using the actual Default-Free Zone table that real ISP routers carry.

DEEP DIVE

SQLite as a Durable Workflow Engine

SQLite is enough for durable workflows when you run a single node and stay under ~5,000 state transitions per second. This deep dive compares SQLite, Postgres-backed DBOS, and Temporal so you can pick the right tool for your self-hosted setup.

DEEP DIVE

Azure Linux 4.0: Microsoft Enters the Server OS Race

Azure Linux 4.0 is Microsoft's first Fedora-based general-purpose server distro, released into public preview on Azure VMs. Here's what it means for teams running Linux in production — and why Microsoft now wants to own the OS layer, not just host it.

DEEP DIVE

Copy Fail: Root Any Linux Box in 732 Bytes

CVE-2026-31431 lets any local user escalate to root on Linux 4.14+ via a logic flaw in the AF_ALG crypto socket interface. A 732-byte Python script works every time, on every major distro. Here is how to check your exposure and apply the fix.

HOT TAKE

GitHub banned a researcher. They were not wrong to.

GitHub banned Nightmare-Eclipse for publishing six unpatched Windows zero-days without coordination. The security community is angry. I think GitHub made the right call — and the debate we should be having is different from the one we are having.

DEEP DIVE

Migrating from ingress-nginx: a practical guide

ingress-nginx was archived on March 24, 2026. About half of cloud-native environments still run it. Here is what a real migration looks like: the options, the trade-offs, and the parts nobody tells you about upfront.