{"id":"CVE-2023-53828","summary":"Bluetooth: hci_sync: Avoid use-after-free in dbg for hci_add_adv_monitor()","details":"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 -\u003e\n    msft_add_monitor_pattern() calls -\u003e\n    msft_add_monitor_sync() calls -\u003e\n    msft_le_monitor_advertisement_cb() calls in an error case -\u003e\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-\u003ehandle.","modified":"2026-04-02T09:45:20.594324Z","published":"2025-12-09T01:29:42.166Z","related":["SUSE-SU-2026:0263-1","SUSE-SU-2026:0278-1","SUSE-SU-2026:0281-1","SUSE-SU-2026:0293-1","SUSE-SU-2026:0315-1","SUSE-SU-2026:0317-1","SUSE-SU-2026:20477-1","SUSE-SU-2026:20498-1","SUSE-SU-2026:20845-1","SUSE-SU-2026:20876-1"],"database_specific":{"cna_assigner":"Linux","osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/53xxx/CVE-2023-53828.json"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/81d8e9f59df63b8358751c1ffed9f1cf5c796909"},{"type":"WEB","url":"https://git.kernel.org/stable/c/8d66f7ced51cb924bc90278d6a0a26a52877271a"},{"type":"WEB","url":"https://git.kernel.org/stable/c/a2bcd2b63271a93a695fabbfbf459c603d956d48"},{"type":"WEB","url":"https://git.kernel.org/stable/c/aafda69d4807f5edf3558c9534be9b911774e63a"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/53xxx/CVE-2023-53828.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2023-53828"},{"type":"PACKAGE","url":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"b747a83690c8f53bc7a3f75899415c699b2c51aa"},{"fixed":"81d8e9f59df63b8358751c1ffed9f1cf5c796909"},{"fixed":"aafda69d4807f5edf3558c9534be9b911774e63a"},{"fixed":"8d66f7ced51cb924bc90278d6a0a26a52877271a"},{"fixed":"a2bcd2b63271a93a695fabbfbf459c603d956d48"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-53828.json"}},{"package":{"name":"Kernel","ecosystem":"Linux"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"6.0.0"},{"fixed":"6.1.53"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.2.0"},{"fixed":"6.4.16"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.5.0"},{"fixed":"6.5.3"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-53828.json"}}],"schema_version":"1.7.5"}