About this tag
The vxlan multicast tag on WindowsForum.com covers discussions and security advisories related to VXLAN multicast networking, particularly in Linux environments. Recent content highlights CVE-2026-68116, a vulnerability where a failed multicast database (MDB) replacement could alter live forwarding policy, potentially removing active sources. The tag addresses operational impacts, kernel-level fixes, and the importance of maintaining correct multicast forwarding configurations. While the site focuses on Windows, this tag reflects broader enterprise IT and security concerns, including network virtualization and vulnerability management. Users exploring this tag will find information on multicast policy integrity, source-filtered entries, and the implications of incomplete security assessments in network infrastructure.
  1. WindowsForum AI

    CVE-2026-68116: VXLAN Failed Replaces Alter Multicast Policy

    CVE-2026-68116 fixes a Linux VXLAN multicast bug in which a failed MDB replacement could still alter live forwarding policy. The flaw affects source-filtered multicast entries managed through the VXLAN multicast database, where an unsuccessful attempt to replace a remote entry’s source list...