{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2023-53695",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2025-10-22T13:21:37.344Z",
        "datePublished": "2025-10-22T13:23:36.524Z",
        "dateUpdated": "2026-05-23T15:30:26.046Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-05-23T15:30:26.046Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nudf: Detect system inodes linked into directory hierarchy\n\nWhen UDF filesystem is corrupted, hidden system inodes can be linked\ninto directory hierarchy which is an avenue for further serious\ncorruption of the filesystem and kernel confusion as noticed by syzbot\nfuzzed images. Refuse to access system inodes linked into directory\nhierarchy and vice versa."
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "fs/udf/inode.c"
                    ],
                    "versions": [
                        {
                            "version": "6174c2eb8ecef271159bdcde460ce8af54d8f72f",
                            "lessThan": "1dc71eeb198a8daa17d0c995998a53b0b749a158",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "6174c2eb8ecef271159bdcde460ce8af54d8f72f",
                            "lessThan": "d747b31e2925a2f384e7dd1901a2e5bc5f984ed8",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "6174c2eb8ecef271159bdcde460ce8af54d8f72f",
                            "lessThan": "a44ec34b90440ada190924f5908b97026504fdcd",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "6174c2eb8ecef271159bdcde460ce8af54d8f72f",
                            "lessThan": "37e74003d81e79457535cbbdfa1603431c03fac0",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "6174c2eb8ecef271159bdcde460ce8af54d8f72f",
                            "lessThan": "1f328751b65c49c13a312d67a3bf27766b85baf7",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "6174c2eb8ecef271159bdcde460ce8af54d8f72f",
                            "lessThan": "9e3b5ef7d02eaa6553e79b4af9bd99227280f245",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "6174c2eb8ecef271159bdcde460ce8af54d8f72f",
                            "lessThan": "85a37983ec69cc9fcd188bc37c4de15ee326355a",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "801c7a20d255e300ab51a6fcb1d0e218d136b16f",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "3.17.2",
                            "lessThan": "3.18",
                            "status": "affected",
                            "versionType": "semver"
                        }
                    ]
                },
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "affected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "fs/udf/inode.c"
                    ],
                    "versions": [
                        {
                            "version": "3.18",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "3.18",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "4.19.278",
                            "lessThanOrEqual": "4.19.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.4.235",
                            "lessThanOrEqual": "5.4.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.10.173",
                            "lessThanOrEqual": "5.10.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.15.99",
                            "lessThanOrEqual": "5.15.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.1.16",
                            "lessThanOrEqual": "6.1.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.2.3",
                            "lessThanOrEqual": "6.2.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.3",
                            "lessThanOrEqual": "*",
                            "status": "unaffected",
                            "versionType": "original_commit_for_fix"
                        }
                    ]
                }
            ],
            "cpeApplicability": [
                {
                    "nodes": [
                        {
                            "operator": "OR",
                            "negate": false,
                            "cpeMatch": [
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "3.18",
                                    "versionEndExcluding": "4.19.278"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "3.18",
                                    "versionEndExcluding": "5.4.235"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "3.18",
                                    "versionEndExcluding": "5.10.173"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "3.18",
                                    "versionEndExcluding": "5.15.99"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "3.18",
                                    "versionEndExcluding": "6.1.16"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "3.18",
                                    "versionEndExcluding": "6.2.3"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "3.18",
                                    "versionEndExcluding": "6.3"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "3.17.2"
                                }
                            ]
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/1dc71eeb198a8daa17d0c995998a53b0b749a158"
                },
                {
                    "url": "https://git.kernel.org/stable/c/d747b31e2925a2f384e7dd1901a2e5bc5f984ed8"
                },
                {
                    "url": "https://git.kernel.org/stable/c/a44ec34b90440ada190924f5908b97026504fdcd"
                },
                {
                    "url": "https://git.kernel.org/stable/c/37e74003d81e79457535cbbdfa1603431c03fac0"
                },
                {
                    "url": "https://git.kernel.org/stable/c/1f328751b65c49c13a312d67a3bf27766b85baf7"
                },
                {
                    "url": "https://git.kernel.org/stable/c/9e3b5ef7d02eaa6553e79b4af9bd99227280f245"
                },
                {
                    "url": "https://git.kernel.org/stable/c/85a37983ec69cc9fcd188bc37c4de15ee326355a"
                }
            ],
            "title": "udf: Detect system inodes linked into directory hierarchy",
            "x_generator": {
                "engine": "bippy-1.2.0"
            }
        }
    }
}