{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2022-49212",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2025-02-26T01:49:39.292Z",
        "datePublished": "2025-02-26T01:55:48.690Z",
        "dateUpdated": "2026-05-11T18:55:18.968Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-05-11T18:55:18.968Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nmtd: rawnand: atmel: fix refcount issue in atmel_nand_controller_init\n\nThe reference counting issue happens in several error handling paths\non a refcounted object \"nc->dmac\". In these paths, the function simply\nreturns the error code, forgetting to balance the reference count of\n\"nc->dmac\", increased earlier by dma_request_channel(), which may\ncause refcount leaks.\n\nFix it by decrementing the refcount of specific object in those error\npaths."
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "drivers/mtd/nand/raw/atmel/nand-controller.c"
                    ],
                    "versions": [
                        {
                            "version": "f88fc122cc34c2545dec9562eaab121494e401ef",
                            "lessThan": "0856bf27057561f42b37df111603cf5a0d040294",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "f88fc122cc34c2545dec9562eaab121494e401ef",
                            "lessThan": "9843c9c98f26c6ad843260b19bfdaa2598f2ae1e",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "f88fc122cc34c2545dec9562eaab121494e401ef",
                            "lessThan": "9b08d211db4c447eb1a07df65e45e0aa772e0fa6",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "f88fc122cc34c2545dec9562eaab121494e401ef",
                            "lessThan": "a3587259ae553e41d1ce8c7435351a5d6b299a11",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "f88fc122cc34c2545dec9562eaab121494e401ef",
                            "lessThan": "fe0e2ce5c87e9c0b9485ff566362030aa55972cf",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "f88fc122cc34c2545dec9562eaab121494e401ef",
                            "lessThan": "8baea2b96fa90af8d0f937caf4cf2105ee094d93",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "f88fc122cc34c2545dec9562eaab121494e401ef",
                            "lessThan": "f1694169f3674cdf7553aed06864254635679878",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "f88fc122cc34c2545dec9562eaab121494e401ef",
                            "lessThan": "fecbd4a317c95d73c849648c406bcf1b6a0ec1cf",
                            "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/mtd/nand/raw/atmel/nand-controller.c"
                    ],
                    "versions": [
                        {
                            "version": "4.12",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "4.12",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "4.14.276",
                            "lessThanOrEqual": "4.14.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "4.19.238",
                            "lessThanOrEqual": "4.19.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.4.189",
                            "lessThanOrEqual": "5.4.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.10.110",
                            "lessThanOrEqual": "5.10.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.15.33",
                            "lessThanOrEqual": "5.15.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.16.19",
                            "lessThanOrEqual": "5.16.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.17.2",
                            "lessThanOrEqual": "5.17.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.18",
                            "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": "4.12",
                                    "versionEndExcluding": "4.14.276"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "4.12",
                                    "versionEndExcluding": "4.19.238"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "4.12",
                                    "versionEndExcluding": "5.4.189"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "4.12",
                                    "versionEndExcluding": "5.10.110"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "4.12",
                                    "versionEndExcluding": "5.15.33"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "4.12",
                                    "versionEndExcluding": "5.16.19"
                                },
                                {
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                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "4.12",
                                    "versionEndExcluding": "5.17.2"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "4.12",
                                    "versionEndExcluding": "5.18"
                                }
                            ]
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                    ]
                }
            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/0856bf27057561f42b37df111603cf5a0d040294"
                },
                {
                    "url": "https://git.kernel.org/stable/c/9843c9c98f26c6ad843260b19bfdaa2598f2ae1e"
                },
                {
                    "url": "https://git.kernel.org/stable/c/9b08d211db4c447eb1a07df65e45e0aa772e0fa6"
                },
                {
                    "url": "https://git.kernel.org/stable/c/a3587259ae553e41d1ce8c7435351a5d6b299a11"
                },
                {
                    "url": "https://git.kernel.org/stable/c/fe0e2ce5c87e9c0b9485ff566362030aa55972cf"
                },
                {
                    "url": "https://git.kernel.org/stable/c/8baea2b96fa90af8d0f937caf4cf2105ee094d93"
                },
                {
                    "url": "https://git.kernel.org/stable/c/f1694169f3674cdf7553aed06864254635679878"
                },
                {
                    "url": "https://git.kernel.org/stable/c/fecbd4a317c95d73c849648c406bcf1b6a0ec1cf"
                }
            ],
            "title": "mtd: rawnand: atmel: fix refcount issue in atmel_nand_controller_init",
            "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-2022-49212",
                                "role": "CISA Coordinator",
                                "options": [
                                    {
                                        "Exploitation": "none"
                                    },
                                    {
                                        "Automatable": "no"
                                    },
                                    {
                                        "Technical Impact": "partial"
                                    }
                                ],
                                "version": "2.0.3",
                                "timestamp": "2025-10-01T19:46:47.729080Z"
                            }
                        }
                    }
                ],
                "problemTypes": [
                    {
                        "descriptions": [
                            {
                                "lang": "en",
                                "type": "CWE",
                                "description": "CWE-noinfo Not enough information"
                            }
                        ]
                    }
                ],
                "title": "CISA ADP Vulnrichment",
                "providerMetadata": {
                    "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
                    "shortName": "CISA-ADP",
                    "dateUpdated": "2025-10-01T19:47:05.977Z"
                }
            }
        ]
    }
}