{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-98297",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2026-09-25T10:25:14.337Z",
        "datePublished": "2026-10-06T08:45:55.723Z",
        "dateUpdated": "2026-10-21T12:54:55.978Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-10-21T12:54:55.978Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nBluetooth: hci_core: Fix queuing tx_work after workqueue is drained\n\nhci_send_acl(), hci_send_sco() and hci_send_iso() queue hdev->tx_work\nunconditionally. They can run from the L2CAP/SCO/ISO socket send path\nwhile hci_dev_close_sync() is draining hdev->workqueue (HCIDEVDOWN\nracing with a socket write). Since that queue_work() is not chained\nwork from the tx_work worker itself, __queue_work() sees the queue\nmarked __WQ_DRAINING, warns \"cannot queue %ps on wq %s\", and drops\nthe work:\n\n  WARNING: CPU: 1 PID: 5985 at kernel/workqueue.c:2352 __queue_work\n  Call Trace:\n   queue_work_on\n   l2cap_chan_send\n   l2cap_sock_sendmsg\n   ...\n\nhci_dev_close_sync() already sets HCI_CMD_DRAIN_WORKQUEUE before\ndraining, but only hci_cmd_work() and handle_cmd_cnt_and_timer()\ncheck it before queuing. Route the tx_work producers through the\nsame guard via a shared hci_sched_tx() helper."
                }
            ],
            "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": "7b81c1378b79c3143ca3fdb3d18ac0f01cbabb21",
                            "lessThan": "8010212197d4a3ee714f78ed77048d0b712ff925",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "9cebe4680bb9a72f80c6541eb24af06db7a1fbc9",
                            "lessThan": "ab0678a0701ac4de499428dc1b321659bb74d272",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "47330cc875b36a1cf7b3543cb2cf90a7c603ce0e",
                            "lessThan": "e220c1242a643d97102a79f09b7ef3aa31276961",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "525daaea459fc215f432de1b8debbd9144bf97b0",
                            "lessThan": "cbb325bc150e8c0dbce004ac0e5516bcffc0de31",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "525daaea459fc215f432de1b8debbd9144bf97b0",
                            "lessThan": "6610c6fe4b8936c232048e6049bf77c70a6f759c",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "60bceb9a4c693e68cc90ba4b2dfb9e000e8638ff",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "6.12.93",
                            "lessThan": "6.12.112",
                            "status": "affected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.18.35",
                            "lessThan": "6.18.54",
                            "status": "affected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.0.12",
                            "lessThan": "7.1",
                            "status": "affected",
                            "versionType": "semver"
                        }
                    ]
                },
                {
                    "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": "7.1",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "7.1",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.12.112",
                            "lessThanOrEqual": "6.12.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.18.54",
                            "lessThanOrEqual": "6.18.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.2.8",
                            "lessThanOrEqual": "7.2.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.3",
                            "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": "6.12.93",
                                    "versionEndExcluding": "6.12.112"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "6.18.35",
                                    "versionEndExcluding": "6.18.54"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "7.1",
                                    "versionEndExcluding": "7.2.8"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "7.1",
                                    "versionEndExcluding": "7.3"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "7.0.12"
                                }
                            ]
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/8010212197d4a3ee714f78ed77048d0b712ff925"
                },
                {
                    "url": "https://git.kernel.org/stable/c/ab0678a0701ac4de499428dc1b321659bb74d272"
                },
                {
                    "url": "https://git.kernel.org/stable/c/e220c1242a643d97102a79f09b7ef3aa31276961"
                },
                {
                    "url": "https://git.kernel.org/stable/c/cbb325bc150e8c0dbce004ac0e5516bcffc0de31"
                },
                {
                    "url": "https://git.kernel.org/stable/c/6610c6fe4b8936c232048e6049bf77c70a6f759c"
                }
            ],
            "title": "Bluetooth: hci_core: Fix queuing tx_work after workqueue is drained",
            "x_generator": {
                "engine": "bippy-1.2.0"
            }
        }
    }
}