{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2025-68185",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2025-12-16T13:41:40.252Z",
        "datePublished": "2025-12-16T13:43:02.894Z",
        "dateUpdated": "2026-06-16T19:21:22.682Z"
    },
    "containers": {
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                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-05-11T21:48:18.325Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnfs4_setup_readdir(): insufficient locking for ->d_parent->d_inode dereferencing\n\nTheoretically it's an oopsable race, but I don't believe one can manage\nto hit it on real hardware; might become doable on a KVM, but it still\nwon't be easy to attack.\n\nAnyway, it's easy to deal with - since xdr_encode_hyper() is just a call of\nput_unaligned_be64(), we can put that under ->d_lock and be done with that."
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "fs/nfs/nfs4proc.c"
                    ],
                    "versions": [
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                            "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
                            "lessThan": "6025f641a0e30afdc5aa62017397b1860ad9f677",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
                            "lessThan": "e6cafe71eb3b5579b245ba1bd528a181e77f3df1",
                            "status": "affected",
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                        {
                            "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
                            "lessThan": "fa4daf7d11e45b72aad5d943a7ab991f869fff79",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
                            "lessThan": "504b3fb9948a9e96ebbabdee0d33966a8bab15cb",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
                            "lessThan": "eacfd08b26a062f1095b18719715bc82ad35312e",
                            "status": "affected",
                            "versionType": "git"
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                            "lessThan": "40be5b9080114f18b0cea386db415b68a7273c1a",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
                            "lessThan": "f5e570eaab36a110c6ffda32b87c51170990c2d1",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
                            "lessThan": "a890a2e339b929dbd843328f9a92a1625404fe63",
                            "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/nfs/nfs4proc.c"
                    ],
                    "versions": [
                        {
                            "version": "2.6.12",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "2.6.12",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.4.302",
                            "lessThanOrEqual": "5.4.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.10.247",
                            "lessThanOrEqual": "5.10.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.15.197",
                            "lessThanOrEqual": "5.15.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.1.159",
                            "lessThanOrEqual": "6.1.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.6.117",
                            "lessThanOrEqual": "6.6.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.12.58",
                            "lessThanOrEqual": "6.12.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.17.8",
                            "lessThanOrEqual": "6.17.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.18",
                            "lessThanOrEqual": "*",
                            "status": "unaffected",
                            "versionType": "original_commit_for_fix"
                        }
                    ]
                }
            ],
            "cpeApplicability": [
                {
                    "nodes": [
                        {
                            "operator": "OR",
                            "negate": false,
                            "cpeMatch": [
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                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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                                    "versionEndExcluding": "5.4.302"
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                                    "vulnerable": true,
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            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/6025f641a0e30afdc5aa62017397b1860ad9f677"
                },
                {
                    "url": "https://git.kernel.org/stable/c/e6cafe71eb3b5579b245ba1bd528a181e77f3df1"
                },
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                    "url": "https://git.kernel.org/stable/c/fa4daf7d11e45b72aad5d943a7ab991f869fff79"
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                },
                {
                    "url": "https://git.kernel.org/stable/c/a890a2e339b929dbd843328f9a92a1625404fe63"
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            ],
            "title": "nfs4_setup_readdir(): insufficient locking for ->d_parent->d_inode dereferencing",
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                                "timestamp": "2026-06-16T19:21:00.664758Z",
                                "id": "CVE-2025-68185",
                                "options": [
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                                        "Exploitation": "none"
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}