{"id":"CVE-2023-53828","revision":"234f83cf97bc4460a4397d6064a5a3ca","records":[{"revision":"234f83cf97bc4460a4397d6064a5a3ca","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2023-53828","aliases":[],"title":"Bluetooth: hci_sync: Avoid use-after-free in dbg for hci_add_adv_monitor()","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.","state":0,"publishedAt":"2025-12-09T01:29:42.166+00:00","modifiedAt":"2026-10-15T21:41:37.14+00:00","affected":[{"ecosystem":"Vendor product","name":"Linux","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"product\": \"Linux\",\n                    \"vendor\": \"Linux\",\n                    \"defaultStatus\": \"unaffected\",\n                    \"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\n                    \"programFiles\": [\n                        \"net/bluetooth/hci_core.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"b747a83690c8f53bc7a3f75899415c699b2c51aa\",\n                            \"lessThan\": \"81d8e9f59df63b8358751c1ffed9f1cf5c796909\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"b747a83690c8f53bc7a3f75899415c699b2c51aa\",\n                            \"lessThan\": \"aafda69d4807f5edf3558c9534be9b911774e63a\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"b747a83690c8f53bc7a3f75899415c699b2c51aa\",\n                            \"lessThan\": \"8d66f7ced51cb924bc90278d6a0a26a52877271a\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"b747a83690c8f53bc7a3f75899415c699b2c51aa\",\n                            \"lessThan\": \"a2bcd2b63271a93a695fabbfbf459c603d956d48\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        }\n                    ]\n                }"},{"ecosystem":"Vendor product","name":"Linux","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"product\": \"Linux\",\n                    \"vendor\": \"Linux\",\n                    \"defaultStatus\": \"affected\",\n                    \"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\n                    \"programFiles\": [\n                        \"net/bluetooth/hci_core.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"6.0\",\n                            \"status\": \"affected\"\n                        },\n                        {\n                            \"version\": \"0\",\n                            \"lessThan\": \"6.0\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.1.53\",\n                            \"lessThanOrEqual\": \"6.1.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.4.16\",\n                            \"lessThanOrEqual\": \"6.4.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.5.3\",\n                            \"lessThanOrEqual\": \"6.5.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.6\",\n                            \"lessThanOrEqual\": \"*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"original_commit_for_fix\"\n                        }\n                    ]\n                }"}],"metrics":[{"system":"CVSS 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,"severity":"HIGH"}],"references":["https://git.kernel.org/stable/c/81d8e9f59df63b8358751c1ffed9f1cf5c796909","https://git.kernel.org/stable/c/aafda69d4807f5edf3558c9534be9b911774e63a","https://git.kernel.org/stable/c/8d66f7ced51cb924bc90278d6a0a26a52877271a","https://git.kernel.org/stable/c/a2bcd2b63271a93a695fabbfbf459c603d956d48"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2023-53828","license":"CVE Program Terms of Use","key":"cve-program:CVE-2023-53828","identifiers":["CVE-2023-53828"]},"retained":false,"historicalAffected":[]}],"coverage":[]}