{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2022-49422",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2025-02-26T02:08:31.568Z",
        "datePublished": "2025-02-26T02:12:45.269Z",
        "dateUpdated": "2026-05-11T18:59:30.811Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-05-11T18:59:30.811Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndmaengine: idxd: Fix the error handling path in idxd_cdev_register()\n\nIf a call to alloc_chrdev_region() fails, the already allocated resources\nare leaking.\n\nAdd the needed error handling path to fix the leak."
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "drivers/dma/idxd/cdev.c"
                    ],
                    "versions": [
                        {
                            "version": "42d279f9137ab7d5503836baec2739284b278d8f",
                            "lessThan": "6073af78156b8c3fc1198f8bcc190b7ac3ac0143",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "42d279f9137ab7d5503836baec2739284b278d8f",
                            "lessThan": "b3c7b5d08e9d5b2ff31c03078c00ecf11042419f",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "42d279f9137ab7d5503836baec2739284b278d8f",
                            "lessThan": "5e88561eceb34ae3f88451c2b8e30fe403484189",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "42d279f9137ab7d5503836baec2739284b278d8f",
                            "lessThan": "c308a2e711a52a47f4b45e7add2b5200169e429a",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "42d279f9137ab7d5503836baec2739284b278d8f",
                            "lessThan": "aab08c1aac01097815fbcf10fce7021d2396a31f",
                            "status": "affected",
                            "versionType": "git"
                        }
                    ]
                },
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "affected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "drivers/dma/idxd/cdev.c"
                    ],
                    "versions": [
                        {
                            "version": "5.6",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "5.6",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.10.121",
                            "lessThanOrEqual": "5.10.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.15.46",
                            "lessThanOrEqual": "5.15.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.17.14",
                            "lessThanOrEqual": "5.17.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.18.3",
                            "lessThanOrEqual": "5.18.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.19",
                            "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": "5.6",
                                    "versionEndExcluding": "5.10.121"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.6",
                                    "versionEndExcluding": "5.15.46"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.6",
                                    "versionEndExcluding": "5.17.14"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.6",
                                    "versionEndExcluding": "5.18.3"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.6",
                                    "versionEndExcluding": "5.19"
                                }
                            ]
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/6073af78156b8c3fc1198f8bcc190b7ac3ac0143"
                },
                {
                    "url": "https://git.kernel.org/stable/c/b3c7b5d08e9d5b2ff31c03078c00ecf11042419f"
                },
                {
                    "url": "https://git.kernel.org/stable/c/5e88561eceb34ae3f88451c2b8e30fe403484189"
                },
                {
                    "url": "https://git.kernel.org/stable/c/c308a2e711a52a47f4b45e7add2b5200169e429a"
                },
                {
                    "url": "https://git.kernel.org/stable/c/aab08c1aac01097815fbcf10fce7021d2396a31f"
                }
            ],
            "title": "dmaengine: idxd: Fix the error handling path in idxd_cdev_register()",
            "x_generator": {
                "engine": "bippy-1.2.0"
            }
        }
    }
}