{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.1",
    "cveMetadata": {
        "cveId": "CVE-2021-47259",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2024-05-21T13:27:52.125Z",
        "datePublished": "2024-05-21T14:19:52.738Z",
        "dateUpdated": "2024-08-04T05:32:07.994Z"
    },
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                "shortName": "Linux",
                "dateUpdated": "2024-05-29T05:04:50.303Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nNFS: Fix use-after-free in nfs4_init_client()\n\nKASAN reports a use-after-free when attempting to mount two different\nexports through two different NICs that belong to the same server.\n\nOlga was able to hit this with kernels starting somewhere between 5.7\nand 5.10, but I traced the patch that introduced the clear_bit() call to\n4.13. So something must have changed in the refcounting of the clp\npointer to make this call to nfs_put_client() the very last one."
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                    "vendor": "Linux",
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                            "lessThan": "c7eab9e2d7b4",
                            "status": "affected",
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                            "version": "4.13",
                            "status": "affected"
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                        {
                            "version": "0",
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                            "status": "unaffected",
                            "versionType": "custom"
                        },
                        {
                            "version": "4.14.237",
                            "lessThanOrEqual": "4.14.*",
                            "status": "unaffected",
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                        },
                        {
                            "version": "4.19.195",
                            "lessThanOrEqual": "4.19.*",
                            "status": "unaffected",
                            "versionType": "custom"
                        },
                        {
                            "version": "5.4.126",
                            "lessThanOrEqual": "5.4.*",
                            "status": "unaffected",
                            "versionType": "custom"
                        },
                        {
                            "version": "5.10.44",
                            "lessThanOrEqual": "5.10.*",
                            "status": "unaffected",
                            "versionType": "custom"
                        },
                        {
                            "version": "5.12.11",
                            "lessThanOrEqual": "5.12.*",
                            "status": "unaffected",
                            "versionType": "custom"
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                        {
                            "version": "5.13",
                            "lessThanOrEqual": "*",
                            "status": "unaffected",
                            "versionType": "original_commit_for_fix"
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                    "url": "https://git.kernel.org/stable/c/c7eab9e2d7b4e983ce280276fb920af649955897"
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                },
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                },
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                },
                {
                    "url": "https://git.kernel.org/stable/c/476bdb04c501fc64bf3b8464ffddefc8dbe01577"
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            ],
            "title": "NFS: Fix use-after-free in nfs4_init_client()",
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        },
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                            "scope": "UNCHANGED",
                            "version": "3.1",
                            "baseScore": 7.5,
                            "attackVector": "NETWORK",
                            "baseSeverity": "HIGH",
                            "vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H",
                            "integrityImpact": "HIGH",
                            "userInteraction": "NONE",
                            "attackComplexity": "HIGH",
                            "availabilityImpact": "HIGH",
                            "privilegesRequired": "LOW",
                            "confidentialityImpact": "HIGH"
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                                "version": "2.0.3",
                                "timestamp": "2024-05-22T16:41:04.603993Z"
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                                "lang": "en",
                                "type": "CWE",
                                "cweId": "CWE-416",
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                    "shortName": "CVE",
                    "dateUpdated": "2024-08-04T05:32:07.994Z"
                },
                "title": "CVE Program Container",
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