{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2022-50833",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2025-12-30T12:06:07.132Z",
        "datePublished": "2025-12-30T12:10:54.342Z",
        "dateUpdated": "2026-05-23T15:25:18.248Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-05-23T15:25:18.248Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nBluetooth: use hdev->workqueue when queuing hdev->{cmd,ncmd}_timer works\n\nsyzbot is reporting attempt to schedule hdev->cmd_work work from system_wq\nWQ into hdev->workqueue WQ which is under draining operation [1], for\ncommit c8efcc2589464ac7 (\"workqueue: allow chained queueing during\ndestruction\") does not allow such operation.\n\nThe check introduced by commit 877afadad2dce8aa (\"Bluetooth: When HCI work\nqueue is drained, only queue chained work\") was incomplete.\n\nUse hdev->workqueue WQ when queuing hdev->{cmd,ncmd}_timer works because\nhci_{cmd,ncmd}_timeout() calls queue_work(hdev->workqueue). Also, protect\nthe queuing operation with RCU read lock in order to avoid calling\nqueue_delayed_work() after cancel_delayed_work() completed."
                }
            ],
            "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",
                        "net/bluetooth/hci_event.c"
                    ],
                    "versions": [
                        {
                            "version": "3b382555706558f5c0587862b6dc03e96a252bba",
                            "lessThan": "c4635cf3d845a7324c25c52d549b70c8bd7ad4c7",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "877afadad2dce8aae1f2aad8ce47e072d4f6165e",
                            "lessThan": "3c6b036fe5c8ed8b6c4cbdc03605929882907ef0",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "877afadad2dce8aae1f2aad8ce47e072d4f6165e",
                            "lessThan": "deee93d13d385103205879a8a0915036ecd83261",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "4bf367fa1fefabdf14938d0ac9ed60020389112e",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "5.19.2",
                            "lessThan": "5.19.15",
                            "status": "affected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.18.18",
                            "lessThan": "5.19",
                            "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",
                        "net/bluetooth/hci_event.c"
                    ],
                    "versions": [
                        {
                            "version": "6.0",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "6.0",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.19.15",
                            "lessThanOrEqual": "5.19.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.0.1",
                            "lessThanOrEqual": "6.0.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.1",
                            "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": "5.19.2",
                                    "versionEndExcluding": "5.19.15"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "6.0",
                                    "versionEndExcluding": "6.0.1"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "6.0",
                                    "versionEndExcluding": "6.1"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.18.18"
                                }
                            ]
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/c4635cf3d845a7324c25c52d549b70c8bd7ad4c7"
                },
                {
                    "url": "https://git.kernel.org/stable/c/3c6b036fe5c8ed8b6c4cbdc03605929882907ef0"
                },
                {
                    "url": "https://git.kernel.org/stable/c/deee93d13d385103205879a8a0915036ecd83261"
                }
            ],
            "title": "Bluetooth: use hdev->workqueue when queuing hdev->{cmd,ncmd}_timer works",
            "x_generator": {
                "engine": "bippy-1.2.0"
            }
        }
    }
}