Medium
Bluetooth: Integer Overflow in Bluetooth Classic (BR/EDR) L2CAP
Type: advisorySources: OSV
An integer overflow condition exists in Bluetooth Host stack, within the bt_br_acl_recv routine a critical path for processing inbound BR/EDR L2CAP traffic.
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2025-12035
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 7 Nov 2026, 05:22 UTC · Revision 1
Source evidence
Bluetooth: Integer Overflow in Bluetooth Classic (BR/EDR) L2CAP
core-osv · Original sourcePublished 15 Dec 2025, 19:42 UTC
An integer overflow condition exists in Bluetooth Host stack, within the bt_br_acl_recv routine a critical path for processing inbound BR/EDR L2CAP traffic.
osv:CVE-2025-12035
Complete source record
{
"id": "e40532aa009f6f5608771dd396b3e08bf3a8e23af5ee13f6b7d6b2622021877d",
"url": "https://osv.dev/vulnerability/CVE-2025-12035",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "Bluetooth: Integer Overflow in Bluetooth Classic (BR/EDR) L2CAP",
"summary": "An integer overflow condition exists in Bluetooth Host stack, within the bt_br_acl_recv routine a critical path for processing inbound BR/EDR L2CAP traffic.",
"evidence": "osv:CVE-2025-12035",
"products": [],
"severity": "medium",
"structured": {
"id": "CVE-2025-12035",
"aliases": [
"CVE-2025-12035",
"GHSA-p793-3456-h7w3"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"
}
],
"affected": [
{
"ranges": [
{
"repo": "https://github.com/zephyrproject-rtos/zephyr",
"type": "GIT",
"events": [
{
"introduced": "0"
},
{
"fixed": "3568e1b6d5cdd51a6b964a2a1d6d29200fea2056"
}
],
"database_specific": {
"extracted_events": [
{
"range": [
{
"introduced": "*"
},
{
"fixed": "4.3.0"
}
],
"source": "AFFECTED_FIELD",
"strategy": "StandardRange"
}
]
}
}
],
"versions": [
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"v4.3.0-rc2",
"v4.3.0-rc1",
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"v2.3.0",
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"zephyr-v2.1.0",
"v2.1.0",
"zephyr-v2.2.0",
"v2.2.0",
"v2.2.0-rc3",
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"zephyr-v1.12.0",
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"zephyr-v1.11.0",
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"zephyr-v1.10.0",
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"zephyr-v1.9.0",
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"v1.4.0-rc1",
"zephyr-v1.3.0",
"v1.3.0",
"v1.3.0-rc2",
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"zephyr-v1.1.0",
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"zephyr-v1.0.0",
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],
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-12035.json"
}
}
],
"modified": "2026-10-28T02:30:50.007861333Z",
"provider": "osv",
"references": [
"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/12xxx/CVE-2025-12035.json",
"https://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-p793-3456-h7w3",
"https://nvd.nist.gov/vuln/detail/CVE-2025-12035",
"https://github.com/zephyrproject-rtos/zephyr"
],
"provider_metadata": {
"cwe_ids": [
"CWE-190"
],
"cna_assigner": "zephyr",
"osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/12xxx/CVE-2025-12035.json"
}
},
"related_cves": [
{
"value": "CVE-2025-12035",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 518358,
"published_at": "2025-12-15T19:42:42.714+00:00"
}