{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-80729",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2026-08-26T14:34:25.789Z",
        "datePublished": "2026-09-03T08:21:47.722Z",
        "dateUpdated": "2026-10-11T13:47:11.562Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-10-11T13:47:11.562Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nmm/huge_memory: initialise workingset state before folio split\n\nxas_try_split() adds __GFP_ACCOUNT for page-cache xa_nodes, but\n__folio_split() leaves the xa_state's xa_lru unset.  That lets a live,\nmemcg-charged xa_node exist without being linked into the mapping's\nshadow_nodes list_lru; when reclaim later walks the list_lru it trips\nVM_WARN_ON(!css_is_dying()).\n\nUse mapping_set_update() to install both the workingset update callback\nand the shadow_nodes list_lru on the xa_state."
                }
            ],
            "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": "58729c04cf1092b87aeef0bf0998c9e2e4771133",
                            "lessThan": "dc87b56b43c9143f2405e434cff1530c3488b571",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "58729c04cf1092b87aeef0bf0998c9e2e4771133",
                            "lessThan": "d858f7c9fc514f1d9d3be7d00b2dd4e2f2383b55",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "58729c04cf1092b87aeef0bf0998c9e2e4771133",
                            "lessThan": "aca1f2d5de17e138bc6c4859126b77e516b82541",
                            "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": "6.15",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "6.15",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.18.56",
                            "lessThanOrEqual": "6.18.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.1.9",
                            "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": "6.15",
                                    "versionEndExcluding": "6.18.56"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "6.15",
                                    "versionEndExcluding": "7.1.9"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "6.15",
                                    "versionEndExcluding": "7.2"
                                }
                            ]
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/dc87b56b43c9143f2405e434cff1530c3488b571"
                },
                {
                    "url": "https://git.kernel.org/stable/c/d858f7c9fc514f1d9d3be7d00b2dd4e2f2383b55"
                },
                {
                    "url": "https://git.kernel.org/stable/c/aca1f2d5de17e138bc6c4859126b77e516b82541"
                }
            ],
            "title": "mm/huge_memory: initialise workingset state before folio split",
            "x_generator": {
                "engine": "bippy-1.2.0"
            }
        }
    }
}