{"cve":"CVE-2023-53828","nvd":{"published":"2025-12-09T16:17:21.680","modified":"2026-10-15T22:17:49.983","status":"Deferred","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nBluetooth: hci_sync: Avoid use-after-free in dbg for hci_add_adv_monitor()\n\nKSAN reports use-after-free in hci_add_adv_monitor().\n\nWhile adding an adv monitor,\n    hci_add_adv_monitor() calls ->\n    msft_add_monitor_pattern() calls ->\n    msft_add_monitor_sync() calls ->\n    msft_le_monitor_advertisement_cb() calls in an error case ->\n    hci_free_adv_monitor() which frees the *moniter.\n\nThis is referenced by bt_dev_dbg() in hci_add_adv_monitor().\n\nFix the bt_dev_dbg() by using handle instead of monitor->handle.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","score":7.8},"cwes":[],"references":["https://git.kernel.org/stable/c/81d8e9f59df63b8358751c1ffed9f1cf5c796909","https://git.kernel.org/stable/c/8d66f7ced51cb924bc90278d6a0a26a52877271a","https://git.kernel.org/stable/c/a2bcd2b63271a93a695fabbfbf459c603d956d48","https://git.kernel.org/stable/c/aafda69d4807f5edf3558c9534be9b911774e63a"],"products":[],"source":"nvd","synced_at":"2026-10-19T22:16:40.427100871+00:00"},"epss":{"cve":"CVE-2023-53828","score":0.00194,"percentile":0.08989,"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."]}