{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-99080",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2026-09-25T10:25:14.390Z",
        "datePublished": "2026-10-23T12:23:27.393Z",
        "dateUpdated": "2026-10-30T12:41:35.342Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-10-30T12:41:35.342Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nfs: Free any excess xarray nodes in clear_inode()\n\nFor many years we've had a hard to hit leak of xarray nodes.  Hugh\ndocumented it well in commit 786b31121a2c.  Recently people and\nsyzbot have found ways to force it to happen with madvise.  Rather\nthan fix the leaks where they happen, just call xa_destroy() which\nhas the side-effect of cycling the i_pages lock."
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "fs/inode.c"
                    ],
                    "versions": [
                        {
                            "version": "77da9389b9d5f07d54fda092d1ab56002ec0019a",
                            "lessThan": "3e837269bbfe78a602e0c259d57ffafe7a4df3b2",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "77da9389b9d5f07d54fda092d1ab56002ec0019a",
                            "lessThan": "813779d7974e51a6950c7237708853b129d564e1",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "77da9389b9d5f07d54fda092d1ab56002ec0019a",
                            "lessThan": "04456642e33022cc53562a91393a09d492124b44",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "77da9389b9d5f07d54fda092d1ab56002ec0019a",
                            "lessThan": "f1c966eb6ed5e190c90a56c5bdaa69967de39f21",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "77da9389b9d5f07d54fda092d1ab56002ec0019a",
                            "lessThan": "21f51434c47d8628b62275ae6c6ad6b573abcd02",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "77da9389b9d5f07d54fda092d1ab56002ec0019a",
                            "lessThan": "50cff3f112d64db6e5f57355f79bc837db8fe132",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "77da9389b9d5f07d54fda092d1ab56002ec0019a",
                            "lessThan": "43f830e2bb84b22ca824b20bb861d823ecb520bd",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "77da9389b9d5f07d54fda092d1ab56002ec0019a",
                            "lessThan": "ee3f011250104129893d8e9599147e457d4d7280",
                            "status": "affected",
                            "versionType": "git"
                        }
                    ]
                },
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "affected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "fs/inode.c"
                    ],
                    "versions": [
                        {
                            "version": "4.20",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "4.20",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.10.273",
                            "lessThanOrEqual": "5.10.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.15.224",
                            "lessThanOrEqual": "5.15.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.1.191",
                            "lessThanOrEqual": "6.1.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.6.160",
                            "lessThanOrEqual": "6.6.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.12.113",
                            "lessThanOrEqual": "6.12.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.18.57",
                            "lessThanOrEqual": "6.18.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.2.11",
                            "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": "4.20",
                                    "versionEndExcluding": "5.10.273"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "4.20",
                                    "versionEndExcluding": "5.15.224"
                                },
                                {
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                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "4.20",
                                    "versionEndExcluding": "6.1.191"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "4.20",
                                    "versionEndExcluding": "6.6.160"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "4.20",
                                    "versionEndExcluding": "6.12.113"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "4.20",
                                    "versionEndExcluding": "6.18.57"
                                },
                                {
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                                    "versionStartIncluding": "4.20",
                                    "versionEndExcluding": "7.2.11"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "4.20",
                                    "versionEndExcluding": "7.3"
                                }
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                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/3e837269bbfe78a602e0c259d57ffafe7a4df3b2"
                },
                {
                    "url": "https://git.kernel.org/stable/c/813779d7974e51a6950c7237708853b129d564e1"
                },
                {
                    "url": "https://git.kernel.org/stable/c/04456642e33022cc53562a91393a09d492124b44"
                },
                {
                    "url": "https://git.kernel.org/stable/c/f1c966eb6ed5e190c90a56c5bdaa69967de39f21"
                },
                {
                    "url": "https://git.kernel.org/stable/c/21f51434c47d8628b62275ae6c6ad6b573abcd02"
                },
                {
                    "url": "https://git.kernel.org/stable/c/50cff3f112d64db6e5f57355f79bc837db8fe132"
                },
                {
                    "url": "https://git.kernel.org/stable/c/43f830e2bb84b22ca824b20bb861d823ecb520bd"
                },
                {
                    "url": "https://git.kernel.org/stable/c/ee3f011250104129893d8e9599147e457d4d7280"
                }
            ],
            "title": "fs: Free any excess xarray nodes in clear_inode()",
            "x_generator": {
                "engine": "bippy-1.2.0"
            }
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    }
}