{
    "CVE_data_meta": {
        "ASSIGNER": "cve@mitre.org",
        "ID": "CVE-2021-38199",
        "STATE": "PUBLIC"
    },
    "affects": {
        "vendor": {
            "vendor_data": [
                {
                    "product": {
                        "product_data": [
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                                "version": {
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                                            "version_value": "n/a"
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                    "vendor_name": "n/a"
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    "data_format": "MITRE",
    "data_type": "CVE",
    "data_version": "4.0",
    "description": {
        "description_data": [
            {
                "lang": "eng",
                "value": "fs/nfs/nfs4client.c in the Linux kernel before 5.13.4 has incorrect connection-setup ordering, which allows operators of remote NFSv4 servers to cause a denial of service (hanging of mounts) by arranging for those servers to be unreachable during trunking detection."
            }
        ]
    },
    "problemtype": {
        "problemtype_data": [
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                "description": [
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                        "lang": "eng",
                        "value": "n/a"
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    "references": {
        "reference_data": [
            {
                "url": "https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.13.4",
                "refsource": "MISC",
                "name": "https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.13.4"
            },
            {
                "url": "https://github.com/torvalds/linux/commit/dd99e9f98fbf423ff6d365b37a98e8879170f17c",
                "refsource": "MISC",
                "name": "https://github.com/torvalds/linux/commit/dd99e9f98fbf423ff6d365b37a98e8879170f17c"
            },
            {
                "refsource": "CONFIRM",
                "name": "https://security.netapp.com/advisory/ntap-20210902-0010/",
                "url": "https://security.netapp.com/advisory/ntap-20210902-0010/"
            },
            {
                "refsource": "DEBIAN",
                "name": "DSA-4978",
                "url": "https://www.debian.org/security/2021/dsa-4978"
            },
            {
                "refsource": "MLIST",
                "name": "[debian-lts-announce] 20211015 [SECURITY] [DLA 2785-1] linux-4.19 security update",
                "url": "https://lists.debian.org/debian-lts-announce/2021/10/msg00010.html"
            },
            {
                "refsource": "MLIST",
                "name": "[debian-lts-announce] 20211216 [SECURITY] [DLA 2843-1] linux security update",
                "url": "https://lists.debian.org/debian-lts-announce/2021/12/msg00012.html"
            }
        ]
    }
}