{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-98506",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2026-09-25T10:25:14.353Z",
        "datePublished": "2026-10-18T15:17:12.898Z",
        "dateUpdated": "2026-10-19T09:20:45.266Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-10-19T09:20:45.266Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nmm/hugetlb: do not dissolve gigantic pages without runtime support\n\ndissolve_free_hugetlb_folio() doesn't check\nhstate_is_gigantic_no_runtime(h) though remove_hugetlb_folio()/\nupdate_and_free_hugetlb_folio() silently bail for such folios, so it frees\na still-listed folio and, on vmemmap restore failure, the\nadd_hugetlb_folio() rollback corrupts the free list."
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "mm/hugetlb.c"
                    ],
                    "versions": [
                        {
                            "version": "6eb4e88a6d27022ea8aff424d47a0a5dfc9fcb34",
                            "lessThan": "ddc1055b557506a6ea8930dfbd8d1555d6a3f01e",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "6eb4e88a6d27022ea8aff424d47a0a5dfc9fcb34",
                            "lessThan": "ccf96a4b8626a001c13c5836d8357f31c57bbd8e",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "6eb4e88a6d27022ea8aff424d47a0a5dfc9fcb34",
                            "lessThan": "443628f755b35bf45044f68b970b65cd531c42fd",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "6eb4e88a6d27022ea8aff424d47a0a5dfc9fcb34",
                            "lessThan": "a363c62a653cc8b3e21da9545fa4e028ef50f9c3",
                            "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/hugetlb.c"
                    ],
                    "versions": [
                        {
                            "version": "5.13",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "5.13",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.12.112",
                            "lessThanOrEqual": "6.12.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.18.55",
                            "lessThanOrEqual": "6.18.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.2.9",
                            "lessThanOrEqual": "7.2.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.3",
                            "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": "5.13",
                                    "versionEndExcluding": "6.12.112"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.13",
                                    "versionEndExcluding": "6.18.55"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.13",
                                    "versionEndExcluding": "7.2.9"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.13",
                                    "versionEndExcluding": "7.3"
                                }
                            ]
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/ddc1055b557506a6ea8930dfbd8d1555d6a3f01e"
                },
                {
                    "url": "https://git.kernel.org/stable/c/ccf96a4b8626a001c13c5836d8357f31c57bbd8e"
                },
                {
                    "url": "https://git.kernel.org/stable/c/443628f755b35bf45044f68b970b65cd531c42fd"
                },
                {
                    "url": "https://git.kernel.org/stable/c/a363c62a653cc8b3e21da9545fa4e028ef50f9c3"
                }
            ],
            "title": "mm/hugetlb: do not dissolve gigantic pages without runtime support",
            "x_generator": {
                "engine": "bippy-1.2.0"
            }
        }
    }
}