{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2022-50374",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2025-09-17T14:53:06.996Z",
        "datePublished": "2025-09-17T14:56:28.974Z",
        "dateUpdated": "2026-05-23T15:24:21.970Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-05-23T15:24:21.970Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nBluetooth: hci_{ldisc,serdev}: check percpu_init_rwsem() failure\n\nsyzbot is reporting NULL pointer dereference at hci_uart_tty_close() [1],\nfor rcu_sync_enter() is called without rcu_sync_init() due to\nhci_uart_tty_open() ignoring percpu_init_rwsem() failure.\n\nWhile we are at it, fix that hci_uart_register_device() ignores\npercpu_init_rwsem() failure and hci_uart_unregister_device() does not\ncall percpu_free_rwsem()."
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "drivers/bluetooth/hci_ldisc.c",
                        "drivers/bluetooth/hci_serdev.c"
                    ],
                    "versions": [
                        {
                            "version": "67d2f8781b9f00d1089aafcfa3dc09fcd0f343e2",
                            "lessThan": "d7cc0d51ffcbfd1caaa809fcf9cff05c46d0fb4d",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "67d2f8781b9f00d1089aafcfa3dc09fcd0f343e2",
                            "lessThan": "b8917dce2134739b39bc0a5648b18427f2cad569",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "67d2f8781b9f00d1089aafcfa3dc09fcd0f343e2",
                            "lessThan": "75b2c71ea581c7bb1303860d89366a42ad0506d2",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "67d2f8781b9f00d1089aafcfa3dc09fcd0f343e2",
                            "lessThan": "98ce10f3f345e61fc6c83bff9cd11cda252b05ac",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "67d2f8781b9f00d1089aafcfa3dc09fcd0f343e2",
                            "lessThan": "3124d320c22f3f4388d9ac5c8f37eaad0cefd6b1",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "f6ec33f6bd3723a8146768106434ef6ab3d9d990",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "4a53c4e84ace1bc75157a7281af3fe8f5b19d08c",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "4.14.63",
                            "lessThan": "4.15",
                            "status": "affected",
                            "versionType": "semver"
                        }
                    ]
                },
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "affected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "drivers/bluetooth/hci_ldisc.c",
                        "drivers/bluetooth/hci_serdev.c"
                    ],
                    "versions": [
                        {
                            "version": "4.15",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "4.15",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.10.150",
                            "lessThanOrEqual": "5.10.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.15.75",
                            "lessThanOrEqual": "5.15.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.19.17",
                            "lessThanOrEqual": "5.19.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.0.3",
                            "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": "4.15",
                                    "versionEndExcluding": "5.10.150"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "4.15",
                                    "versionEndExcluding": "5.15.75"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "4.15",
                                    "versionEndExcluding": "5.19.17"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "4.15",
                                    "versionEndExcluding": "6.0.3"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "4.15",
                                    "versionEndExcluding": "6.1"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "4.14.63"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "4.14.63"
                                }
                            ]
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/d7cc0d51ffcbfd1caaa809fcf9cff05c46d0fb4d"
                },
                {
                    "url": "https://git.kernel.org/stable/c/b8917dce2134739b39bc0a5648b18427f2cad569"
                },
                {
                    "url": "https://git.kernel.org/stable/c/75b2c71ea581c7bb1303860d89366a42ad0506d2"
                },
                {
                    "url": "https://git.kernel.org/stable/c/98ce10f3f345e61fc6c83bff9cd11cda252b05ac"
                },
                {
                    "url": "https://git.kernel.org/stable/c/3124d320c22f3f4388d9ac5c8f37eaad0cefd6b1"
                }
            ],
            "title": "Bluetooth: hci_{ldisc,serdev}: check percpu_init_rwsem() failure",
            "x_generator": {
                "engine": "bippy-1.2.0"
            }
        },
        "adp": [
            {
                "metrics": [
                    {
                        "cvssV3_1": {
                            "scope": "UNCHANGED",
                            "version": "3.1",
                            "baseScore": 5.5,
                            "attackVector": "LOCAL",
                            "baseSeverity": "MEDIUM",
                            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
                            "integrityImpact": "NONE",
                            "userInteraction": "NONE",
                            "attackComplexity": "LOW",
                            "availabilityImpact": "HIGH",
                            "privilegesRequired": "LOW",
                            "confidentialityImpact": "NONE"
                        }
                    },
                    {
                        "other": {
                            "type": "ssvc",
                            "content": {
                                "id": "CVE-2022-50374",
                                "role": "CISA Coordinator",
                                "options": [
                                    {
                                        "Exploitation": "none"
                                    },
                                    {
                                        "Automatable": "no"
                                    },
                                    {
                                        "Technical Impact": "partial"
                                    }
                                ],
                                "version": "2.0.3",
                                "timestamp": "2026-01-14T18:37:06.228952Z"
                            }
                        }
                    }
                ],
                "problemTypes": [
                    {
                        "descriptions": [
                            {
                                "lang": "en",
                                "type": "CWE",
                                "cweId": "CWE-908",
                                "description": "CWE-908 Use of Uninitialized Resource"
                            }
                        ]
                    }
                ],
                "title": "CISA ADP Vulnrichment",
                "providerMetadata": {
                    "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
                    "shortName": "CISA-ADP",
                    "dateUpdated": "2026-01-14T18:43:00.681Z"
                }
            }
        ]
    }
}