CVE-2026-53072 Bluetooth: fix locking in hci_conn_request_evt() with HCI_PROTO_DEFER

🗓️ 24 Jun 2026 16:30:13Reported by LinuxType

Fix locking in hci_conn_request_evt when HCI_PROTO_DEFER; hold hdev lock for hci_connect_cfm.

Reporter	Title	Published	Views	Family All 10
CVE	CVE-2026-53072	24 Jun 202616:30	–	cve
Debian CVE	CVE-2026-53072	24 Jun 202616:30	–	debiancve
EUVD	EUVD-2026-38940	24 Jun 202616:30	–	euvd
NVD	CVE-2026-53072	24 Jun 202617:17	–	nvd
OSV	DEBIAN-CVE-2026-53072	24 Jun 202617:17	–	osv
OSV	ECHO-B60B-EC4F-D170	25 Jun 202609:55	–	osv
OSV	UBUNTU-CVE-2026-53072	24 Jun 202617:17	–	osv
Positive Technologies	PT-2026-51966	24 Jun 202600:00	–	ptsecurity
RedhatCVE	CVE-2026-53072	25 Jun 202623:24	–	redhatcve
Tenable Nessus	Linux Distros Unpatched Vulnerability : CVE-2026-53072	25 Jun 202600:00	–	nessus

[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "net/bluetooth/hci_event.c"
    ],
    "versions": [
      {
        "version": "70c464256310e1c3716099b9d02ece4169272f73",
        "lessThan": "60e3f4ff02d1f2d55bfbf2ca32a97285a9771ee4",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "70c464256310e1c3716099b9d02ece4169272f73",
        "lessThan": "9d4a6c0f43fc5e4d4f062e8e450e5483eb74176e",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "70c464256310e1c3716099b9d02ece4169272f73",
        "lessThan": "c7777f534a8018ae4bb1c80d8925af4df588a314",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "70c464256310e1c3716099b9d02ece4169272f73",
        "lessThan": "6b4d226d01ab7da0d2027a2a1e3a6079152e5065",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "70c464256310e1c3716099b9d02ece4169272f73",
        "lessThan": "541d5bf9b5afaf41090b2a3aa7b47f2db2ff801f",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "70c464256310e1c3716099b9d02ece4169272f73",
        "lessThan": "385b2d0468a0871fc716c549fa3b0c257c7dbcb3",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "70c464256310e1c3716099b9d02ece4169272f73",
        "lessThan": "c27224daf0b08efbb2b24ed64b6139b294f5473a",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "70c464256310e1c3716099b9d02ece4169272f73",
        "lessThan": "5c7209a341ff2ac338b2b0375c34a307b37c9ac2",
        "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_event.c"
    ],
    "versions": [
      {
        "version": "3.17",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "3.17",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.10.258",
        "lessThanOrEqual": "5.10.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.15.209",
        "lessThanOrEqual": "5.15.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.1.175",
        "lessThanOrEqual": "6.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.6.141",
        "lessThanOrEqual": "6.6.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.12.91",
        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.33",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.0.10",
        "lessThanOrEqual": "7.0.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.1",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

Source	Link
git	www.git.kernel.org/stable/c/6b4d226d01ab7da0d2027a2a1e3a6079152e5065
git	www.git.kernel.org/stable/c/5c7209a341ff2ac338b2b0375c34a307b37c9ac2
git	www.git.kernel.org/stable/c/60e3f4ff02d1f2d55bfbf2ca32a97285a9771ee4
git	www.git.kernel.org/stable/c/385b2d0468a0871fc716c549fa3b0c257c7dbcb3
git	www.git.kernel.org/stable/c/541d5bf9b5afaf41090b2a3aa7b47f2db2ff801f
git	www.git.kernel.org/stable/c/9d4a6c0f43fc5e4d4f062e8e450e5483eb74176e
git	www.git.kernel.org/stable/c/c27224daf0b08efbb2b24ed64b6139b294f5473a
git	www.git.kernel.org/stable/c/c7777f534a8018ae4bb1c80d8925af4df588a314

24 Jun 2026 16:30Current

EPSS0.00164