{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2025-40055",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2025-04-16T07:20:57.157Z",
        "datePublished": "2025-10-28T11:48:29.665Z",
        "dateUpdated": "2026-05-11T21:41:36.488Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-05-11T21:41:36.488Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nocfs2: fix double free in user_cluster_connect()\n\nuser_cluster_disconnect() frees \"conn->cc_private\" which is \"lc\" but then\nthe error handling frees \"lc\" a second time.  Set \"lc\" to NULL on this\npath to avoid a double free."
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "fs/ocfs2/stack_user.c"
                    ],
                    "versions": [
                        {
                            "version": "c994c2ebdbbc391a42f177c8eb7882ebf3f142d8",
                            "lessThan": "283333079d96c84baa91f0c62b5e0cbec246b7a2",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "c994c2ebdbbc391a42f177c8eb7882ebf3f142d8",
                            "lessThan": "f992bc72f681c32a682d474a29c2135a64d4f4e5",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "c994c2ebdbbc391a42f177c8eb7882ebf3f142d8",
                            "lessThan": "827c8efa0d1afe817b90f3618afff552e88348d2",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "c994c2ebdbbc391a42f177c8eb7882ebf3f142d8",
                            "lessThan": "bfe011297ddd2d0cd64752978baaa0c04cd20573",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "c994c2ebdbbc391a42f177c8eb7882ebf3f142d8",
                            "lessThan": "7e76fe9dfadbc00364d7523d5a109e9d3e4a7db2",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "c994c2ebdbbc391a42f177c8eb7882ebf3f142d8",
                            "lessThan": "694d5b401036a614f8080085a9de6f86ff0742dc",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "c994c2ebdbbc391a42f177c8eb7882ebf3f142d8",
                            "lessThan": "892f41e12c8689130d552a9eb2b77bafd26484ab",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "c994c2ebdbbc391a42f177c8eb7882ebf3f142d8",
                            "lessThan": "8f45f089337d924db24397f55697cda0e6960516",
                            "status": "affected",
                            "versionType": "git"
                        }
                    ]
                },
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "affected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "fs/ocfs2/stack_user.c"
                    ],
                    "versions": [
                        {
                            "version": "3.14",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "3.14",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.4.301",
                            "lessThanOrEqual": "5.4.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.10.246",
                            "lessThanOrEqual": "5.10.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.15.195",
                            "lessThanOrEqual": "5.15.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.1.156",
                            "lessThanOrEqual": "6.1.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.6.112",
                            "lessThanOrEqual": "6.6.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.12.53",
                            "lessThanOrEqual": "6.12.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.17.3",
                            "lessThanOrEqual": "6.17.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.18",
                            "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": "3.14",
                                    "versionEndExcluding": "5.4.301"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "3.14",
                                    "versionEndExcluding": "5.10.246"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "3.14",
                                    "versionEndExcluding": "5.15.195"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "3.14",
                                    "versionEndExcluding": "6.1.156"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "3.14",
                                    "versionEndExcluding": "6.6.112"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "3.14",
                                    "versionEndExcluding": "6.12.53"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "3.14",
                                    "versionEndExcluding": "6.17.3"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "3.14",
                                    "versionEndExcluding": "6.18"
                                }
                            ]
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/283333079d96c84baa91f0c62b5e0cbec246b7a2"
                },
                {
                    "url": "https://git.kernel.org/stable/c/f992bc72f681c32a682d474a29c2135a64d4f4e5"
                },
                {
                    "url": "https://git.kernel.org/stable/c/827c8efa0d1afe817b90f3618afff552e88348d2"
                },
                {
                    "url": "https://git.kernel.org/stable/c/bfe011297ddd2d0cd64752978baaa0c04cd20573"
                },
                {
                    "url": "https://git.kernel.org/stable/c/7e76fe9dfadbc00364d7523d5a109e9d3e4a7db2"
                },
                {
                    "url": "https://git.kernel.org/stable/c/694d5b401036a614f8080085a9de6f86ff0742dc"
                },
                {
                    "url": "https://git.kernel.org/stable/c/892f41e12c8689130d552a9eb2b77bafd26484ab"
                },
                {
                    "url": "https://git.kernel.org/stable/c/8f45f089337d924db24397f55697cda0e6960516"
                }
            ],
            "title": "ocfs2: fix double free in user_cluster_connect()",
            "x_generator": {
                "engine": "bippy-1.2.0"
            }
        }
    }
}