{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2022-50244",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2025-09-15T13:58:00.971Z",
        "datePublished": "2025-09-15T14:02:01.364Z",
        "dateUpdated": "2026-05-11T19:15:33.665Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-05-11T19:15:33.665Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ncxl: fix possible null-ptr-deref in cxl_pci_init_afu|adapter()\n\nIf device_register() fails in cxl_pci_afu|adapter(), the device\nis not added, device_unregister() can not be called in the error\npath, otherwise it will cause a null-ptr-deref because of removing\nnot added device.\n\nAs comment of device_register() says, it should use put_device() to give\nup the reference in the error path. So split device_unregister() into\ndevice_del() and put_device(), then goes to put dev when register fails."
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "drivers/misc/cxl/pci.c"
                    ],
                    "versions": [
                        {
                            "version": "f204e0b8cedd7da1dfcfd05ed6b7692737e24029",
                            "lessThan": "82e68432668ae75b4c814d160f6987ecb0681273",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "f204e0b8cedd7da1dfcfd05ed6b7692737e24029",
                            "lessThan": "82e5481428faf11c79b9c094dd24a1849bbf64ac",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "f204e0b8cedd7da1dfcfd05ed6b7692737e24029",
                            "lessThan": "c4b2e35df919d99bbbed033c2fa0b607f9f463b5",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "f204e0b8cedd7da1dfcfd05ed6b7692737e24029",
                            "lessThan": "361412dae1690d4b5df6f92fc943cdc773c95cbc",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "f204e0b8cedd7da1dfcfd05ed6b7692737e24029",
                            "lessThan": "0f63c0ddc2ea20d783d29243f4dbe0f9e95dfdec",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "f204e0b8cedd7da1dfcfd05ed6b7692737e24029",
                            "lessThan": "22511eefa61db26e12c97dd7ada3071dbdfcb004",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "f204e0b8cedd7da1dfcfd05ed6b7692737e24029",
                            "lessThan": "139abd4c626a6f7ce02789ed5f73aa2256e0542b",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "f204e0b8cedd7da1dfcfd05ed6b7692737e24029",
                            "lessThan": "2f5fd31b2f24b9b8a80ab566fd8c4e1e94cb4339",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "f204e0b8cedd7da1dfcfd05ed6b7692737e24029",
                            "lessThan": "02cd3032b154fa02fdf90e7467abaeed889330b2",
                            "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/misc/cxl/pci.c"
                    ],
                    "versions": [
                        {
                            "version": "3.18",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "3.18",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "4.9.337",
                            "lessThanOrEqual": "4.9.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "4.14.303",
                            "lessThanOrEqual": "4.14.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "4.19.270",
                            "lessThanOrEqual": "4.19.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.4.229",
                            "lessThanOrEqual": "5.4.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.10.163",
                            "lessThanOrEqual": "5.10.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.15.86",
                            "lessThanOrEqual": "5.15.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.0.16",
                            "lessThanOrEqual": "6.0.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.1.2",
                            "lessThanOrEqual": "6.1.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.2",
                            "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": "3.18",
                                    "versionEndExcluding": "4.9.337"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "3.18",
                                    "versionEndExcluding": "4.14.303"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "3.18",
                                    "versionEndExcluding": "4.19.270"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "3.18",
                                    "versionEndExcluding": "5.4.229"
                                },
                                {
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                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "3.18",
                                    "versionEndExcluding": "5.15.86"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "3.18",
                                    "versionEndExcluding": "6.0.16"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "3.18",
                                    "versionEndExcluding": "6.1.2"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "3.18",
                                    "versionEndExcluding": "6.2"
                                }
                            ]
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/82e68432668ae75b4c814d160f6987ecb0681273"
                },
                {
                    "url": "https://git.kernel.org/stable/c/82e5481428faf11c79b9c094dd24a1849bbf64ac"
                },
                {
                    "url": "https://git.kernel.org/stable/c/c4b2e35df919d99bbbed033c2fa0b607f9f463b5"
                },
                {
                    "url": "https://git.kernel.org/stable/c/361412dae1690d4b5df6f92fc943cdc773c95cbc"
                },
                {
                    "url": "https://git.kernel.org/stable/c/0f63c0ddc2ea20d783d29243f4dbe0f9e95dfdec"
                },
                {
                    "url": "https://git.kernel.org/stable/c/22511eefa61db26e12c97dd7ada3071dbdfcb004"
                },
                {
                    "url": "https://git.kernel.org/stable/c/139abd4c626a6f7ce02789ed5f73aa2256e0542b"
                },
                {
                    "url": "https://git.kernel.org/stable/c/2f5fd31b2f24b9b8a80ab566fd8c4e1e94cb4339"
                },
                {
                    "url": "https://git.kernel.org/stable/c/02cd3032b154fa02fdf90e7467abaeed889330b2"
                }
            ],
            "title": "cxl: fix possible null-ptr-deref in cxl_pci_init_afu|adapter()",
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                "engine": "bippy-1.2.0"
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        }
    }
}