{"cve":"CVE-2026-74531","nvd":{"published":"2026-08-15T13:17:58.397","modified":"2026-10-16T20:17:35.480","status":"Received","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nBluetooth: hci_conn: hold conn reference in abort_conn_sync()\n\nThere is theoretical UAF if the conn is freed while the hci_sync task is\nrunning.\n\nHold refcount to avoid that.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","score":8.8},"cwes":[],"references":["https://git.kernel.org/stable/c/5761d003daa987ac81463f570713ce9c9dd204e5","https://git.kernel.org/stable/c/64d1645f26aa49b5a86ba2fccd0bb6749ea725a6","https://git.kernel.org/stable/c/963fb4b8e7d1ab07b4ae45bf15d41e667c88caca","https://git.kernel.org/stable/c/e8f9fef362bab431d95371d3406bc720350290c3","https://git.kernel.org/stable/c/fa812cfa81aa3d4a7b6ce8277979af57b3f79712"],"products":[],"source":"nvd","synced_at":"2026-10-19T22:49:10.689564601+00:00"},"epss":{"cve":"CVE-2026-74531","score":0.00254,"percentile":0.16725,"date":"2026-10-25"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}