{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2023-53828", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2025-12-09T01:27:17.825Z", "datePublished": "2025-12-09T01:29:42.166Z", "dateUpdated": "2026-05-11T19:52:19.296Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-05-11T19:52:19.296Z"}, "descriptions": [{"lang": "en", "value": "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."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["net/bluetooth/hci_core.c"], "versions": [{"version": "b747a83690c8f53bc7a3f75899415c699b2c51aa", "lessThan": "81d8e9f59df63b8358751c1ffed9f1cf5c796909", "status": "affected", "versionType": "git"}, {"version": "b747a83690c8f53bc7a3f75899415c699b2c51aa", "lessThan": "aafda69d4807f5edf3558c9534be9b911774e63a", "status": "affected", "versionType": "git"}, {"version": "b747a83690c8f53bc7a3f75899415c699b2c51aa", "lessThan": "8d66f7ced51cb924bc90278d6a0a26a52877271a", "status": "affected", "versionType": "git"}, {"version": "b747a83690c8f53bc7a3f75899415c699b2c51aa", "lessThan": "a2bcd2b63271a93a695fabbfbf459c603d956d48", "status": "affected", "versionType": "git"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["net/bluetooth/hci_core.c"], "versions": [{"version": "6.0", "status": "affected"}, {"version": "0", "lessThan": "6.0", "status": "unaffected", "versionType": "semver"}, {"version": "6.1.53", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.4.16", "lessThanOrEqual": "6.4.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.5.3", "lessThanOrEqual": "6.5.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.6", "lessThanOrEqual": "*", "status": "unaffected", "versionType": "original_commit_for_fix"}]}], "cpeApplicability": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.0", "versionEndExcluding": "6.1.53"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.0", "versionEndExcluding": "6.4.16"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.0", "versionEndExcluding": "6.5.3"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.0", "versionEndExcluding": "6.6"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/81d8e9f59df63b8358751c1ffed9f1cf5c796909"}, {"url": "https://git.kernel.org/stable/c/aafda69d4807f5edf3558c9534be9b911774e63a"}, {"url": "https://git.kernel.org/stable/c/8d66f7ced51cb924bc90278d6a0a26a52877271a"}, {"url": "https://git.kernel.org/stable/c/a2bcd2b63271a93a695fabbfbf459c603d956d48"}], "title": "Bluetooth: hci_sync: Avoid use-after-free in dbg for hci_add_adv_monitor()", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "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."}], "id": "CVE-2023-53828", "lastModified": "2026-04-15T00:35:42.020", "metrics": {}, "published": "2025-12-09T16:17:21.680", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "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"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Deferred"}

{"bugzilla": {"description": "kernel: Bluetooth: hci_sync: Avoid use-after-free in dbg for hci_add_adv_monitor()", "id": "2420315", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2420315"}, "csaw": false, "cvss3": {"cvss3_base_score": "7.0", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H", "status": "draft"}, "details": ["In the Linux kernel, the following vulnerability has been resolved:\nBluetooth: hci_sync: Avoid use-after-free in dbg for hci_add_adv_monitor()\nKSAN reports use-after-free in hci_add_adv_monitor().\nWhile adding an adv monitor,\nhci_add_adv_monitor() calls ->\nmsft_add_monitor_pattern() calls ->\nmsft_add_monitor_sync() calls ->\nmsft_le_monitor_advertisement_cb() calls in an error case ->\nhci_free_adv_monitor() which frees the *moniter.\nThis is referenced by bt_dev_dbg() in hci_add_adv_monitor().\nFix the bt_dev_dbg() by using handle instead of monitor->handle."], "name": "CVE-2023-53828", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Under investigation", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2025-12-09T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2023-53828\nhttps://nvd.nist.gov/vuln/detail/CVE-2023-53828\nhttps://lore.kernel.org/linux-cve-announce/2025120952-CVE-2023-53828-57cf@gregkh/T"], "threat_severity": "Important"}

{}