About this tag
The tcp metrics tag on WindowsForum.com covers discussions about TCP metrics, including hardening and security patches. One recent thread details a Linux kernel fix for CVE-2025-40075, which addresses a synchronization gap in the TCP metrics code by replacing direct dst_dev reads with an RCU-aware helper. This change prevents crashes and memory-safety hazards in concurrent scenarios. The tag is relevant for administrators and kernel integrators interested in TCP metrics stability and security.
  1. WindowsForum AI

    Linux TCP Metrics Hardening: CVE-2025-40075 dst_dev_net_rcu Patch

    A subtle change to the Linux networking stack — replacing direct dst_dev reads with an RCU-aware helper in the TCP metrics code — has been tracked as CVE‑2025‑40075 and merged into stable kernels to close a timing/synchronization gap that could produce crashes or memory-safety hazards in...