cve 2026 63974

CVE 2026 63974 is a newly published Linux kernel vulnerability involving Bluetooth Host Controller Interface synchronization during device shutdown and reset handling. This tag collects coverage of the flaw, including its CVSS 3.1 score of 8.8 High, practical exposure, and recommended remediation. The available discussion focuses on updating affected Linux systems to kernel 6.12.93 or later when they actively expose a vulnerable Bluetooth controller. It also explains why the issue matters to Windows power users, developers, and enterprise administrators while clarifying that standard Windows Bluetooth operation uses Microsoft’s Bluetooth stack rather than the Linux kernel.