af_packet sockets

af_packet sockets is used here for coverage of low-level Linux packet-socket behavior in Windows Subsystem for Linux (WSL), particularly where kernel timestamping and control-message handling affect security and reliability. The available discussion centers on CVE-2026-53223, a local Linux kernel vulnerability involving timestamp metadata paths in af_packet sockets across multiple stable kernel ranges. It explains why WSL-heavy developer fleets and other systems that expose packet sockets to untrusted local users should track upstream and backported fixes. The issue is presented as an information-leak or reliability concern rather than a remote, self-propagating attack, making patch status and local-user exposure important themes for this tag.