HighFix available
Bluetooth: L2CAP: Fix use-after-free
Type: advisorySources: OSV
In the Linux kernel, the following vulnerability has been resolved: Bluetooth: L2CAP: Fix use-after-free Fix potential use-after-free in l2cap_le_command_rej.
- Products
- Kernel
- Affected versions
- Not specified
- Fixed versions
- 4.14.324, 4.19.293, 5.10.192, 5.15.128, 5.4.255, 6.1.47, 6.4.12
- CVEs
- CVE-2023-53305
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 7 Nov 2026, 02:09 UTC · Revision 1
Source evidence
In the Linux kernel, the following vulnerability has been resolved: Bluetooth: L2CAP: Fix use-after-free Fix potential use-after-free in l2cap_le_command_rej.
osv:CVE-2023-53305
Kernel
Fixed versions: 4.14.324, 4.19.293, 5.4.255, 5.10.192, 5.15.128, 6.1.47, 6.4.12
Complete source record
{
"id": "73b5003225012ab405edd8e56e9fc2df5ac8f078f3f416d873b35199ef94e98c",
"url": "https://osv.dev/vulnerability/CVE-2023-53305",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "Bluetooth: L2CAP: Fix use-after-free",
"summary": "In the Linux kernel, the following vulnerability has been resolved: Bluetooth: L2CAP: Fix use-after-free Fix potential use-after-free in l2cap_le_command_rej.",
"evidence": "osv:CVE-2023-53305",
"products": [
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"name": {
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"fixed_versions": [
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"value": "4.14.324",
"evidence": "/affected/1/ranges"
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{
"value": "4.19.293",
"evidence": "/affected/1/ranges"
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{
"value": "5.4.255",
"evidence": "/affected/1/ranges"
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{
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{
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"evidence": "/affected/1/ranges"
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{
"value": "6.1.47",
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{
"value": "6.4.12",
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}
],
"affected_versions": []
}
],
"severity": "high",
"structured": {
"id": "CVE-2023-53305",
"aliases": [
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"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"
}
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"affected": [
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{
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{
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{
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"events": [
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{
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},
{
"type": "ECOSYSTEM",
"events": [
{
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{
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],
"package": {
"name": "Kernel",
"ecosystem": "Linux"
},
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-53305.json"
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],
"modified": "2026-10-28T02:30:49.057321893Z",
"provider": "osv",
"references": [
"https://git.kernel.org/stable/c/149daab45922ab1ac7f0cbeacab7251a46bf5e63",
"https://git.kernel.org/stable/c/1a40c56e8bff3e424724d78a9a6b3272dd8a371d",
"https://git.kernel.org/stable/c/255be68150291440657b2cdb09420b69441af3d8",
"https://git.kernel.org/stable/c/2958cf9f805b9f0bdc4a761bf6ea281eb8d44f8e",
"https://git.kernel.org/stable/c/548a6b64b3c0688f01119a6fcccceb41f8c984e4",
"https://git.kernel.org/stable/c/e76bab1b7afa580cd76362540fc37551ada4359b",
"https://git.kernel.org/stable/c/f752a0b334bb95fe9b42ecb511e0864e2768046f",
"https://git.kernel.org/stable/c/fe49aa73cca6608714477b74bfc6874b9db979df",
"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/53xxx/CVE-2023-53305.json",
"https://nvd.nist.gov/vuln/detail/CVE-2023-53305",
"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
],
"provider_metadata": {
"cna_assigner": "Linux",
"osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/53xxx/CVE-2023-53305.json"
}
},
"related_cves": [
{
"value": "CVE-2023-53305",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 517247,
"published_at": "2025-09-16T16:11:44.845+00:00"
}