{
    "data_type": "CVE",
    "data_format": "MITRE",
    "data_version": "4.0",
    "CVE_data_meta": {
        "ID": "CVE-2021-4037",
        "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": "Fixed in Linux-kernel v5.11-rc1"
                                        }
                                    ]
                                }
                            }
                        ]
                    }
                }
            ]
        }
    },
    "problemtype": {
        "problemtype_data": [
            {
                "description": [
                    {
                        "lang": "eng",
                        "value": "CWE-284 - Improper Access Control"
                    }
                ]
            }
        ]
    },
    "references": {
        "reference_data": [
            {
                "refsource": "MISC",
                "name": "https://bugzilla.redhat.com/show_bug.cgi?id=2004810",
                "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2004810"
            },
            {
                "refsource": "MISC",
                "name": "https://bugzilla.redhat.com/show_bug.cgi?id=2027239",
                "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2027239"
            },
            {
                "refsource": "MISC",
                "name": "https://access.redhat.com/security/cve/CVE-2021-4037",
                "url": "https://access.redhat.com/security/cve/CVE-2021-4037"
            },
            {
                "refsource": "MISC",
                "name": "https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=01ea173e103e",
                "url": "https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=01ea173e103e"
            },
            {
                "refsource": "MISC",
                "name": "https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=0fa3ecd87848",
                "url": "https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=0fa3ecd87848"
            },
            {
                "refsource": "DEBIAN",
                "name": "DSA-5257",
                "url": "https://www.debian.org/security/2022/dsa-5257"
            },
            {
                "refsource": "MLIST",
                "name": "[debian-lts-announce] 20221101 [SECURITY] [DLA 3173-1] linux-5.10 security update",
                "url": "https://lists.debian.org/debian-lts-announce/2022/11/msg00001.html"
            }
        ]
    },
    "description": {
        "description_data": [
            {
                "lang": "eng",
                "value": "A vulnerability was found in the fs/inode.c:inode_init_owner() function logic of the LInux kernel that allows local users to create files for the XFS file-system with an unintended group ownership and with group execution and SGID permission bits set, in a scenario where a directory is SGID and belongs to a certain group and is writable by a user who is not a member of this group. This can lead to excessive permissions granted in case when they should not. This vulnerability is similar to the previous CVE-2018-13405 and adds the missed fix for the XFS."
            }
        ]
    }
}