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Bluetooth: hci_sync: hold conn in hci_connect_acl/le_sync() callbacks

Type: advisorySources: OSV

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hci_sync: hold conn in hci_connect_acl/le_sync() callbacks There is theoretical UAF if the conn is freed while the hci_sync task is running. Hold refcount to avoid that.

Products
Kernel
Affected versions
Not specified
Fixed versions
6.12.114, 6.18.57, 6.6.160, 7.1.8
CVEs
CVE-2026-80692
Confirmed fixed CVEs
Not specified
Updated in this feed
3 Nov 2026, 23:22 UTC · Revision 1

Source evidence

Bluetooth: hci_sync: hold conn in hci_connect_acl/le_sync() callbacks

core-osv · Original source

Published 28 Aug 2026, 06:52 UTC

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hci_sync: hold conn in hci_connect_acl/le_sync() callbacks There is theoretical UAF if the conn is freed while the hci_sync task is running. Hold refcount to avoid that.

osv:CVE-2026-80692

Kernel

Fixed versions: 6.6.160, 6.12.114, 6.18.57, 7.1.8

Complete source record
{
  "id": "6a218af50003e9ca9f5017b53a8f931d913dde7f33be31815a8e575e48428882",
  "url": "https://osv.dev/vulnerability/CVE-2026-80692",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "Bluetooth: hci_sync: hold conn in hci_connect_acl/le_sync() callbacks",
    "summary": "In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hci_sync: hold conn in hci_connect_acl/le_sync() callbacks There is theoretical UAF if the conn is freed while the hci_sync task is running. Hold refcount to avoid that.",
    "evidence": "osv:CVE-2026-80692",
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    "severity": "high",
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          "database_specific": {
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      ],
      "modified": "2026-10-28T02:30:32.155238145Z",
      "provider": "osv",
      "references": [
        "https://git.kernel.org/stable/c/2f5d635ad5906b0235bc0c870e8beba3116e1e98",
        "https://git.kernel.org/stable/c/301a4e2e89313dee10f0e8cb084daedbbe4a3dce",
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        "https://nvd.nist.gov/vuln/detail/CVE-2026-80692",
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      "provider_metadata": {
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  "source_id": "core-osv",
  "document_id": 499246,
  "published_at": "2026-08-28T06:52:55.529+00:00"
}