{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-72224",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2026-08-09T03:40:39.913Z",
        "datePublished": "2026-08-15T05:54:16.781Z",
        "dateUpdated": "2026-08-17T05:10:39.755Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-08-17T05:10:39.755Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnvdimm/btt: Free arenas on btt_init() error paths\n\nThe arenas allocated by discover_arenas() or create_arenas() are not\nfreed on some error paths in btt_init(). This leaks memory when BTT\ninitialization fails.\n\nCall free_arenas() from the affected error paths to release the\nallocations.\n\n[ as: commit message and log edits ]"
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "drivers/nvdimm/btt.c"
                    ],
                    "versions": [
                        {
                            "version": "5212e11fde4d40fa627668b4f2222d20db488f71",
                            "lessThan": "9ab5293d9ac3f2c4232220e563d04701f5f44607",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "5212e11fde4d40fa627668b4f2222d20db488f71",
                            "lessThan": "68c967e105d50f885e02b0dbdc9211fd5f84bdcd",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "5212e11fde4d40fa627668b4f2222d20db488f71",
                            "lessThan": "0b63788093ff6ccfffe6e87de9e08aeeb406599c",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "5212e11fde4d40fa627668b4f2222d20db488f71",
                            "lessThan": "5804e6a6912b5a1e47c821777d69191d69a3fe64",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "5212e11fde4d40fa627668b4f2222d20db488f71",
                            "lessThan": "52a7e7ece79c4b0f406149e19cd2b4b11a6c19e4",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "5212e11fde4d40fa627668b4f2222d20db488f71",
                            "lessThan": "f4ca396bdd60b4e0a665b2589bfc4ddbea9bda2b",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "5212e11fde4d40fa627668b4f2222d20db488f71",
                            "lessThan": "7e49684d90faa34ff6d5586be658e986d9d475ac",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "5212e11fde4d40fa627668b4f2222d20db488f71",
                            "lessThan": "1a6b6442a982d0ca5fb6a1a39b6f6dfd760eda57",
                            "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/nvdimm/btt.c"
                    ],
                    "versions": [
                        {
                            "version": "4.2",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "4.2",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.10.261",
                            "lessThanOrEqual": "5.10.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.15.212",
                            "lessThanOrEqual": "5.15.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.1.178",
                            "lessThanOrEqual": "6.1.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.6.145",
                            "lessThanOrEqual": "6.6.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.12.97",
                            "lessThanOrEqual": "6.12.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.18.40",
                            "lessThanOrEqual": "6.18.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.1.5",
                            "lessThanOrEqual": "7.1.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.2",
                            "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": "4.2",
                                    "versionEndExcluding": "5.10.261"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "4.2",
                                    "versionEndExcluding": "5.15.212"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "4.2",
                                    "versionEndExcluding": "6.1.178"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "4.2",
                                    "versionEndExcluding": "6.6.145"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "4.2",
                                    "versionEndExcluding": "6.12.97"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "4.2",
                                    "versionEndExcluding": "6.18.40"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "4.2",
                                    "versionEndExcluding": "7.1.5"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "4.2",
                                    "versionEndExcluding": "7.2"
                                }
                            ]
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/9ab5293d9ac3f2c4232220e563d04701f5f44607"
                },
                {
                    "url": "https://git.kernel.org/stable/c/68c967e105d50f885e02b0dbdc9211fd5f84bdcd"
                },
                {
                    "url": "https://git.kernel.org/stable/c/0b63788093ff6ccfffe6e87de9e08aeeb406599c"
                },
                {
                    "url": "https://git.kernel.org/stable/c/5804e6a6912b5a1e47c821777d69191d69a3fe64"
                },
                {
                    "url": "https://git.kernel.org/stable/c/52a7e7ece79c4b0f406149e19cd2b4b11a6c19e4"
                },
                {
                    "url": "https://git.kernel.org/stable/c/f4ca396bdd60b4e0a665b2589bfc4ddbea9bda2b"
                },
                {
                    "url": "https://git.kernel.org/stable/c/7e49684d90faa34ff6d5586be658e986d9d475ac"
                },
                {
                    "url": "https://git.kernel.org/stable/c/1a6b6442a982d0ca5fb6a1a39b6f6dfd760eda57"
                }
            ],
            "title": "nvdimm/btt: Free arenas on btt_init() error paths",
            "x_generator": {
                "engine": "bippy-1.2.0"
            }
        }
    }
}