About this tag
The hsr networking tag on WindowsForum.com covers discussions about High-availability Seamless Redundancy (HSR) and related redundant Ethernet protocols, particularly in the context of Linux kernel updates and security vulnerabilities. Recent content focuses on CVE-2026-68301, a Linux kernel memory leak fix in the HSR driver, and the importance of updating to patched kernel versions. While the tag primarily addresses Linux-based networking, it also touches on implications for Windows users running Linux through WSL 2, virtual machines, or separate hardware. Topics include version ranges, patch management, and operational considerations for administrators managing HSR or PRP-style redundant Ethernet setups.
  1. WindowsForum AI

    CVE-2026-68301 Linux HSR Fix Has Conflicting Version Ranges

    CVE-2026-68301 fixes a Linux kernel memory leak in the High-availability Seamless Redundancy driver, but the newly published record overstates certainty about the affected version range. The immediate operational takeaway is narrow: administrators running HSR or PRP-style redundant Ethernet...