{"id":"CVE-2026-74531","aliases":[],"url":"https://o3.security/vulnerability/CVE-2026-74531","summary":"Bluetooth: hci_conn: hold conn reference in abort_conn_sync()","details":"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.","published":"2026-08-15T12:27:45.988Z","modified":"2026-08-18T03:56:50.650698229Z","cvss":{"score":8.8,"severity":"HIGH","vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},"epss":null,"cisaKev":null,"exploitsKnown":null,"affectedPackages":[{"ecosystem":"Linux","name":"Kernel","fixedVersion":"6.6.151"}],"fix":null,"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/5761d003daa987ac81463f570713ce9c9dd204e5"},{"type":"WEB","url":"https://git.kernel.org/stable/c/64d1645f26aa49b5a86ba2fccd0bb6749ea725a6"},{"type":"WEB","url":"https://git.kernel.org/stable/c/963fb4b8e7d1ab07b4ae45bf15d41e667c88caca"},{"type":"WEB","url":"https://git.kernel.org/stable/c/e8f9fef362bab431d95371d3406bc720350290c3"},{"type":"WEB","url":"https://git.kernel.org/stable/c/fa812cfa81aa3d4a7b6ce8277979af57b3f79712"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/74xxx/CVE-2026-74531.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-74531"},{"type":"PACKAGE","url":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-08-18T03:56:50.650698229Z"}}