{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-23142",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2026-01-13T15:37:45.973Z",
        "datePublished": "2026-02-14T15:36:08.147Z",
        "dateUpdated": "2026-05-11T22:00:56.683Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-05-11T22:00:56.683Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nmm/damon/sysfs-scheme: cleanup access_pattern subdirs on scheme dir setup failure\n\nWhen a DAMOS-scheme DAMON sysfs directory setup fails after setup of\naccess_pattern/ directory, subdirectories of access_pattern/ directory are\nnot cleaned up.  As a result, DAMON sysfs interface is nearly broken until\nthe system reboots, and the memory for the unremoved directory is leaked.\n\nCleanup the directories under such failures."
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "mm/damon/sysfs-schemes.c"
                    ],
                    "versions": [
                        {
                            "version": "9bbb820a5bd5f406ae5e0819cc31f2c2e6f4d990",
                            "lessThan": "ae8ac0066b48ed957bdcab58f0d3543549c57a29",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "9bbb820a5bd5f406ae5e0819cc31f2c2e6f4d990",
                            "lessThan": "e9711bd0e64812c694a228cf58c9e6032decee54",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "9bbb820a5bd5f406ae5e0819cc31f2c2e6f4d990",
                            "lessThan": "16236b0b4a08fa3e326cf1373ef789dabdc2e30d",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "9bbb820a5bd5f406ae5e0819cc31f2c2e6f4d990",
                            "lessThan": "725d4fdaa01bd1161782081f419e1568cc7432e0",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "9bbb820a5bd5f406ae5e0819cc31f2c2e6f4d990",
                            "lessThan": "392b3d9d595f34877dd745b470c711e8ebcd225c",
                            "status": "affected",
                            "versionType": "git"
                        }
                    ]
                },
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "affected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "mm/damon/sysfs-schemes.c"
                    ],
                    "versions": [
                        {
                            "version": "5.18",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "5.18",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.1.162",
                            "lessThanOrEqual": "6.1.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.6.122",
                            "lessThanOrEqual": "6.6.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.12.67",
                            "lessThanOrEqual": "6.12.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.18.7",
                            "lessThanOrEqual": "6.18.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.19",
                            "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": "5.18",
                                    "versionEndExcluding": "6.1.162"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.18",
                                    "versionEndExcluding": "6.6.122"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.18",
                                    "versionEndExcluding": "6.12.67"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.18",
                                    "versionEndExcluding": "6.18.7"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.18",
                                    "versionEndExcluding": "6.19"
                                }
                            ]
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/ae8ac0066b48ed957bdcab58f0d3543549c57a29"
                },
                {
                    "url": "https://git.kernel.org/stable/c/e9711bd0e64812c694a228cf58c9e6032decee54"
                },
                {
                    "url": "https://git.kernel.org/stable/c/16236b0b4a08fa3e326cf1373ef789dabdc2e30d"
                },
                {
                    "url": "https://git.kernel.org/stable/c/725d4fdaa01bd1161782081f419e1568cc7432e0"
                },
                {
                    "url": "https://git.kernel.org/stable/c/392b3d9d595f34877dd745b470c711e8ebcd225c"
                }
            ],
            "title": "mm/damon/sysfs-scheme: cleanup access_pattern subdirs on scheme dir setup failure",
            "x_generator": {
                "engine": "bippy-1.2.0"
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        }
    }
}