{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2022-50843",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2025-12-30T12:06:07.133Z",
        "datePublished": "2025-12-30T12:11:01.130Z",
        "dateUpdated": "2026-05-11T19:26:11.293Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-05-11T19:26:11.293Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndm clone: Fix UAF in clone_dtr()\n\nDm_clone also has the same UAF problem when dm_resume()\nand dm_destroy() are concurrent.\n\nTherefore, cancelling timer again in clone_dtr()."
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "drivers/md/dm-clone-target.c"
                    ],
                    "versions": [
                        {
                            "version": "7431b7835f554f8608b415a02cf3c3f086309e02",
                            "lessThan": "520b56cfd9faee7683f081c3a38f11a81b13a68e",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "7431b7835f554f8608b415a02cf3c3f086309e02",
                            "lessThan": "342cfd8426dff4228e6c714bcb9fc8295a2748dd",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "7431b7835f554f8608b415a02cf3c3f086309e02",
                            "lessThan": "856edd0e92f3fe89606b704c86a93daedddfe6ec",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "7431b7835f554f8608b415a02cf3c3f086309e02",
                            "lessThan": "b1ddb666073bb5f36390aaabaa1a4d48d78c52ed",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "7431b7835f554f8608b415a02cf3c3f086309e02",
                            "lessThan": "9e113cd4f61f3b0000843b2d0a90ce8b40a1fcff",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "7431b7835f554f8608b415a02cf3c3f086309e02",
                            "lessThan": "e4b5957c6f749a501c464f92792f1c8e26b61a94",
                            "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/md/dm-clone-target.c"
                    ],
                    "versions": [
                        {
                            "version": "5.4",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "5.4",
                            "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": "5.15.87",
                            "lessThanOrEqual": "5.15.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.0.18",
                            "lessThanOrEqual": "6.0.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.1.4",
                            "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": "5.4",
                                    "versionEndExcluding": "5.4.229"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.4",
                                    "versionEndExcluding": "5.10.163"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.4",
                                    "versionEndExcluding": "5.15.87"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.4",
                                    "versionEndExcluding": "6.0.18"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.4",
                                    "versionEndExcluding": "6.1.4"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.4",
                                    "versionEndExcluding": "6.2"
                                }
                            ]
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                    ]
                }
            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/520b56cfd9faee7683f081c3a38f11a81b13a68e"
                },
                {
                    "url": "https://git.kernel.org/stable/c/342cfd8426dff4228e6c714bcb9fc8295a2748dd"
                },
                {
                    "url": "https://git.kernel.org/stable/c/856edd0e92f3fe89606b704c86a93daedddfe6ec"
                },
                {
                    "url": "https://git.kernel.org/stable/c/b1ddb666073bb5f36390aaabaa1a4d48d78c52ed"
                },
                {
                    "url": "https://git.kernel.org/stable/c/9e113cd4f61f3b0000843b2d0a90ce8b40a1fcff"
                },
                {
                    "url": "https://git.kernel.org/stable/c/e4b5957c6f749a501c464f92792f1c8e26b61a94"
                }
            ],
            "title": "dm clone: Fix UAF in clone_dtr()",
            "x_generator": {
                "engine": "bippy-1.2.0"
            }
        }
    }
}