{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-46284",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2026-05-13T15:03:33.110Z",
        "datePublished": "2026-06-08T15:41:27.467Z",
        "dateUpdated": "2026-06-14T18:06:18.465Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-06-14T18:06:18.465Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nmm/hugetlb: fix early boot crash on parameters without '=' separator\n\nIf hugepages, hugepagesz, or default_hugepagesz are specified on the\nkernel command line without the '=' separator, early parameter parsing\npasses NULL to hugetlb_add_param(), which dereferences it in strlen() and\ncan crash the system during early boot.\n\nReject NULL values in hugetlb_add_param() and return -EINVAL instead."
                }
            ],
            "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": "5b47c02967ab770aa7661c8863a21b2fd59e35ff",
                            "lessThan": "2774bcf714739cc6bb86f8812167bb9fbda70f6a",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "5b47c02967ab770aa7661c8863a21b2fd59e35ff",
                            "lessThan": "357c6d084b6137ae640209c5bfd01180f985c015",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "5b47c02967ab770aa7661c8863a21b2fd59e35ff",
                            "lessThan": "c45b354911d01565156e38d7f6bc07edb51fc34c",
                            "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": "6.15",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "6.15",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.18.27",
                            "lessThanOrEqual": "6.18.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.0.4",
                            "lessThanOrEqual": "7.0.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.1",
                            "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": "6.15",
                                    "versionEndExcluding": "6.18.27"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "6.15",
                                    "versionEndExcluding": "7.0.4"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "6.15",
                                    "versionEndExcluding": "7.1"
                                }
                            ]
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/2774bcf714739cc6bb86f8812167bb9fbda70f6a"
                },
                {
                    "url": "https://git.kernel.org/stable/c/357c6d084b6137ae640209c5bfd01180f985c015"
                },
                {
                    "url": "https://git.kernel.org/stable/c/c45b354911d01565156e38d7f6bc07edb51fc34c"
                }
            ],
            "title": "mm/hugetlb: fix early boot crash on parameters without '=' separator",
            "x_generator": {
                "engine": "bippy-1.2.0"
            }
        }
    }
}