{"cve":"CVE-2026-46056","nvd":{"published":"2026-05-27T14:17:25.317","modified":"2026-10-19T20:18:25.300","status":"Modified","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nBluetooth: hci_event: fix potential UAF in SSP passkey handlers\n\nhci_conn lookup and field access must be covered by hdev lock in\nhci_user_passkey_notify_evt() and hci_keypress_notify_evt(), otherwise\nthe connection can be freed concurrently.\n\nExtend the hci_dev_lock critical section to cover all conn usage in both\nhandlers.\n\nKeep the existing keypress notification behavior unchanged by routing\nthe early exits through a common unlock path.","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":["CWE-416"],"references":["https://git.kernel.org/stable/c/01a6431766c35dfedb86e0cb5d3fc80c6d604a47","https://git.kernel.org/stable/c/204028af77a265e31ceb4ba7f643349a3cca72b2","https://git.kernel.org/stable/c/85fa3512048793076eef658f66489112dcc91993","https://git.kernel.org/stable/c/8c6443bb9257b780986fb67ec08565bf48ecb8d7","https://git.kernel.org/stable/c/b6ae482f88654db407c8c17619d4b62959b903ef"],"products":["linux:linux_kernel"],"source":"nvd","synced_at":"2026-10-21T03:43:09.190223697+00:00"},"epss":{"cve":"CVE-2026-46056","score":0.00282,"percentile":0.2053,"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."]}