{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-72180",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2026-08-09T03:40:39.910Z",
        "datePublished": "2026-08-15T05:53:43.718Z",
        "dateUpdated": "2026-08-17T05:09:43.031Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-08-17T05:09:43.031Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nmm/huge_memory: preserve pmd_swp_uffd_wp on device-private PMD downgrade\n\nchange_non_present_huge_pmd() rewrites a writable device-private PMD swap\nentry into a readable one without carrying pmd_swp_uffd_wp() across.  The\nPTE-level change_softleaf_pte() does this correctly; mirror that here,\nmatching what copy_huge_pmd() does for the fork path.  Without the carry,\na plain mprotect() over a UFFD_WP-marked device-private THP strips the bit\nand the trap is bypassed on swap-in."
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "mm/huge_memory.c"
                    ],
                    "versions": [
                        {
                            "version": "368076f52ebeecd33e10a9f80905d7508b6b6149",
                            "lessThan": "2611f7521c6c124b1bef1be4fc319e0ca144502f",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "368076f52ebeecd33e10a9f80905d7508b6b6149",
                            "lessThan": "f7e2c21bd1f57cd5350eecdfdb5d6025ca6afbab",
                            "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/huge_memory.c"
                    ],
                    "versions": [
                        {
                            "version": "6.19",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "6.19",
                            "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": "6.19",
                                    "versionEndExcluding": "7.1.5"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "6.19",
                                    "versionEndExcluding": "7.2"
                                }
                            ]
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/2611f7521c6c124b1bef1be4fc319e0ca144502f"
                },
                {
                    "url": "https://git.kernel.org/stable/c/f7e2c21bd1f57cd5350eecdfdb5d6025ca6afbab"
                }
            ],
            "title": "mm/huge_memory: preserve pmd_swp_uffd_wp on device-private PMD downgrade",
            "x_generator": {
                "engine": "bippy-1.2.0"
            }
        }
    }
}