{
    "data_type": "CVE",
    "data_format": "MITRE",
    "data_version": "4.0",
    "CVE_data_meta": {
        "ID": "CVE-2021-20317",
        "ASSIGNER": "secalert@redhat.com",
        "STATE": "PUBLIC"
    },
    "affects": {
        "vendor": {
            "vendor_data": [
                {
                    "vendor_name": "n/a",
                    "product": {
                        "product_data": [
                            {
                                "product_name": "kernel",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_value": "Kernel 5.3 rc1"
                                        }
                                    ]
                                }
                            }
                        ]
                    }
                }
            ]
        }
    },
    "problemtype": {
        "problemtype_data": [
            {
                "description": [
                    {
                        "lang": "eng",
                        "value": "CWE-665"
                    }
                ]
            }
        ]
    },
    "references": {
        "reference_data": [
            {
                "refsource": "MISC",
                "name": "https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git/commit/?id=511885d7061eda3eb1faf3f57dcc936ff75863f1",
                "url": "https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git/commit/?id=511885d7061eda3eb1faf3f57dcc936ff75863f1"
            },
            {
                "refsource": "MISC",
                "name": "https://bugzilla.redhat.com/show_bug.cgi?id=2005258",
                "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2005258"
            },
            {
                "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"
            },
            {
                "refsource": "MLIST",
                "name": "[debian-lts-announce] 20220309 [SECURITY] [DLA 2941-1] linux-4.19 security update",
                "url": "https://lists.debian.org/debian-lts-announce/2022/03/msg00012.html"
            },
            {
                "refsource": "DEBIAN",
                "name": "DSA-5096",
                "url": "https://www.debian.org/security/2022/dsa-5096"
            },
            {
                "refsource": "CONFIRM",
                "name": "https://cert-portal.siemens.com/productcert/pdf/ssa-222547.pdf",
                "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-222547.pdf"
            }
        ]
    },
    "description": {
        "description_data": [
            {
                "lang": "eng",
                "value": "A flaw was found in the Linux kernel. A corrupted timer tree caused the task wakeup to be missing in the timerqueue_add function in lib/timerqueue.c. This flaw allows a local attacker with special user privileges to cause a denial of service, slowing and eventually stopping the system while running OSP."
            }
        ]
    }
}