{"id":"CVE-2023-53828","url":"https://www.cyber-defence.io/tools/cve/CVE-2023-53828","generatedAt":"2026-10-28T03:27:18.605Z","title":"In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hci_sync: Avoid use-after-free in dbg for hci_add_adv_monitor() KSAN reports use-after-free in 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.","published":"2025-12-09T16:17:22.000Z","lastModified":"2026-10-15T22:17:50.000Z","status":"Deferred","sourceIdentifier":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","cvss":{"version":"3.1","score":7.8,"severity":"HIGH","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"},"cwe":[],"affected":[],"epss":{"score":0.00194,"percentile":0.08989,"date":"2026-10-26","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"high","text":"High impact if exploited, but EPSS currently rates exploitation as unlikely (0.19%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[],"references":[{"url":"https://git.kernel.org/stable/c/81d8e9f59df63b8358751c1ffed9f1cf5c796909","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/8d66f7ced51cb924bc90278d6a0a26a52877271a","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/a2bcd2b63271a93a695fabbfbf459c603d956d48","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/aafda69d4807f5edf3558c9534be9b911774e63a","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2023-53828","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}