{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.1",
    "cveMetadata": {
        "state": "PUBLISHED",
        "cveId": "CVE-2021-3995",
        "assignerOrgId": "53f830b8-0a3f-465b-8143-3b8a9948e749",
        "assignerShortName": "redhat",
        "dateUpdated": "2024-08-03T17:16:03.736Z",
        "dateReserved": "2021-11-22T00:00:00.000Z",
        "datePublished": "2022-08-23T00:00:00.000Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "53f830b8-0a3f-465b-8143-3b8a9948e749",
                "shortName": "redhat",
                "dateUpdated": "2024-01-07T09:06:27.625Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "A logic error was found in the libmount library of util-linux in the function that allows an unprivileged user to unmount a FUSE filesystem. This flaw allows an unprivileged local attacker to unmount FUSE filesystems that belong to certain other users who have a UID that is a prefix of the UID of the attacker in its string form. An attacker may use this flaw to cause a denial of service to applications that use the affected filesystems."
                }
            ],
            "affected": [
                {
                    "vendor": "n/a",
                    "product": "util-linux",
                    "versions": [
                        {
                            "version": "Fixed in util-linux v2.37.3",
                            "status": "affected"
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://mirrors.edge.kernel.org/pub/linux/utils/util-linux/v2.37/v2.37.3-ReleaseNotes"
                },
                {
                    "url": "https://www.openwall.com/lists/oss-security/2022/01/24/2"
                },
                {
                    "url": "https://github.com/util-linux/util-linux/commit/57202f5713afa2af20ffbb6ab5331481d0396f8d"
                },
                {
                    "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2024631https://access.redhat.com/security/cve/CVE-2021-3995"
                },
                {
                    "name": "[oss-security] 20221130 Race condition in snap-confine's must_mkdir_and_open_with_perms() (CVE-2022-3328)",
                    "tags": [
                        "mailing-list"
                    ],
                    "url": "http://www.openwall.com/lists/oss-security/2022/11/30/2"
                },
                {
                    "name": "20221208 Race condition in snap-confine's must_mkdir_and_open_with_perms() (CVE-2022-3328)",
                    "tags": [
                        "mailing-list"
                    ],
                    "url": "http://seclists.org/fulldisclosure/2022/Dec/4"
                },
                {
                    "url": "http://packetstormsecurity.com/files/170176/snap-confine-must_mkdir_and_open_with_perms-Race-Condition.html"
                },
                {
                    "url": "https://security.netapp.com/advisory/ntap-20221209-0002/"
                },
                {
                    "name": "GLSA-202401-08",
                    "tags": [
                        "vendor-advisory"
                    ],
                    "url": "https://security.gentoo.org/glsa/202401-08"
                }
            ],
            "problemTypes": [
                {
                    "descriptions": [
                        {
                            "type": "CWE",
                            "lang": "en",
                            "description": "CWE-552 - Files or Directories Accessible to External Parties",
                            "cweId": "CWE-552"
                        }
                    ]
                }
            ]
        },
        "adp": [
            {
                "providerMetadata": {
                    "orgId": "af854a3a-2127-422b-91ae-364da2661108",
                    "shortName": "CVE",
                    "dateUpdated": "2024-08-03T17:16:03.736Z"
                },
                "title": "CVE Program Container",
                "references": [
                    {
                        "url": "https://mirrors.edge.kernel.org/pub/linux/utils/util-linux/v2.37/v2.37.3-ReleaseNotes",
                        "tags": [
                            "x_transferred"
                        ]
                    },
                    {
                        "url": "https://www.openwall.com/lists/oss-security/2022/01/24/2",
                        "tags": [
                            "x_transferred"
                        ]
                    },
                    {
                        "url": "https://github.com/util-linux/util-linux/commit/57202f5713afa2af20ffbb6ab5331481d0396f8d",
                        "tags": [
                            "x_transferred"
                        ]
                    },
                    {
                        "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2024631https://access.redhat.com/security/cve/CVE-2021-3995",
                        "tags": [
                            "x_transferred"
                        ]
                    },
                    {
                        "name": "[oss-security] 20221130 Race condition in snap-confine's must_mkdir_and_open_with_perms() (CVE-2022-3328)",
                        "tags": [
                            "mailing-list",
                            "x_transferred"
                        ],
                        "url": "http://www.openwall.com/lists/oss-security/2022/11/30/2"
                    },
                    {
                        "name": "20221208 Race condition in snap-confine's must_mkdir_and_open_with_perms() (CVE-2022-3328)",
                        "tags": [
                            "mailing-list",
                            "x_transferred"
                        ],
                        "url": "http://seclists.org/fulldisclosure/2022/Dec/4"
                    },
                    {
                        "url": "http://packetstormsecurity.com/files/170176/snap-confine-must_mkdir_and_open_with_perms-Race-Condition.html",
                        "tags": [
                            "x_transferred"
                        ]
                    },
                    {
                        "url": "https://security.netapp.com/advisory/ntap-20221209-0002/",
                        "tags": [
                            "x_transferred"
                        ]
                    },
                    {
                        "name": "GLSA-202401-08",
                        "tags": [
                            "vendor-advisory",
                            "x_transferred"
                        ],
                        "url": "https://security.gentoo.org/glsa/202401-08"
                    }
                ]
            }
        ]
    }
}