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networking
68 postsLinux Kernel Bridge STP Timer Use-After-Free Vulnerability
Linux bridge STP timers vulnerable to use-after-free via dellink teardown gap, enabling potential kernel control-flow hijack. Patched upstream.
Sip-exporter: eBPF-Based SIP/RTP Monitoring for Prometheus
Sip-exporter uses eBPF to capture SIP/RTP traffic in-kernel and export voice quality, fraud detection, and RFC 6076 metrics to Prometheus.
Clustering Two Dell Pro Max GB10 Systems for Local AI Compute
Two Dell Pro Max GB10 systems clustered via RDMA/RoCE for 256GB of local AI memory, revealing setup quirks and firmware pitfalls.
CommitBrief — AI code reviews, right in your terminal
A provider-agnostic, local-first CLI that reviews your staged changes, a historic range, or a whole GitHub pull request. Zero telemetry, no server. Free and open source.
commitbrief.comLinux Kernel UDP Corking Flaw Enables Local Privilege Escalation
Two Linux kernel CVEs (2026-53362, 2026-53366) expose a heap OOB write via UDP MSG_SPLICE_PAGES corking, enabling local privilege escalation.
PFL Reimagines OpenBSD's pf Firewall as a Linux eBPF/XDP Dataplane
pfSense's creator built PFL, porting OpenBSD's pf firewall language onto Linux XDP. Here's how stateful filtering and NAT survive the eBPF verifier's strict constraints.
Reverse-Engineering Apple's Find My Friends API on Linux
How a developer reverse-engineered Apple's undocumented Find My Friends API on Linux, covering MobileMe tokens, IDS registration, and APNs anisette headers.
How AI Pinpointed the Root Cause of a Multi-Region K8s Outage
How Trendyol used an LLM to trace a multi-region Kubernetes outage to a systemd upgrade bug in under an hour, sifting 200MB of logs.
eBPF and TCX bring line-rate network visibility to hostile CI jobs
Blacksmith explains how eBPF programs attached via TCX and a host-side DNS proxy deliver line-rate network observability for untrusted CI VMs.
Monocoque: A Pure-Rust ZMTP 3.1 (ZeroMQ) Messaging Library
Monocoque is a pure-Rust ZMTP 3.1 ZeroMQ library with io_uring, tokio, and smol backends, beating libzmq on throughput and latency in benchmarks.
monocoque 0.3.0: pure-Rust ZeroMQ over io_uring, tokio, smol
monocoque 0.3.0 brings pure-Rust ZeroMQ (ZMTP 3.1) with a compio 0.19/io_uring upgrade, SO_REUSEPORT, zero-alloc hot path, and CI-enforced performance and security guarantees.