{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.1",
    "cveMetadata": {
        "cveId": "CVE-2024-49957",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2024-10-21T12:17:06.048Z",
        "datePublished": "2024-10-21T18:02:11.046Z",
        "dateUpdated": "2024-10-22T13:38:48.252Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2024-10-21T18:02:11.046Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nocfs2: fix null-ptr-deref when journal load failed.\n\nDuring the mounting process, if journal_reset() fails because of too short\njournal, then lead to jbd2_journal_load() fails with NULL j_sb_buffer. \nSubsequently, ocfs2_journal_shutdown() calls\njbd2_journal_flush()->jbd2_cleanup_journal_tail()->\n__jbd2_update_log_tail()->jbd2_journal_update_sb_log_tail()\n->lock_buffer(journal->j_sb_buffer), resulting in a null-pointer\ndereference error.\n\nTo resolve this issue, we should check the JBD2_LOADED flag to ensure the\njournal was properly loaded.  Additionally, use journal instead of\nosb->journal directly to simplify the code."
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "fs/ocfs2/journal.c"
                    ],
                    "versions": [
                        {
                            "version": "f6f50e28f0cb",
                            "lessThan": "bf605ae98dab",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "f6f50e28f0cb",
                            "lessThan": "ff55291fb367",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "f6f50e28f0cb",
                            "lessThan": "82dfdd1e31e7",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "f6f50e28f0cb",
                            "lessThan": "86a89e75e9e4",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "f6f50e28f0cb",
                            "lessThan": "f60e94a83db7",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "f6f50e28f0cb",
                            "lessThan": "387bf565cc03",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "f6f50e28f0cb",
                            "lessThan": "5784d9fcfd43",
                            "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/journal.c"
                    ],
                    "versions": [
                        {
                            "version": "2.6.32",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "2.6.32",
                            "status": "unaffected",
                            "versionType": "custom"
                        },
                        {
                            "version": "5.10.227",
                            "lessThanOrEqual": "5.10.*",
                            "status": "unaffected",
                            "versionType": "custom"
                        },
                        {
                            "version": "5.15.168",
                            "lessThanOrEqual": "5.15.*",
                            "status": "unaffected",
                            "versionType": "custom"
                        },
                        {
                            "version": "6.1.113",
                            "lessThanOrEqual": "6.1.*",
                            "status": "unaffected",
                            "versionType": "custom"
                        },
                        {
                            "version": "6.6.55",
                            "lessThanOrEqual": "6.6.*",
                            "status": "unaffected",
                            "versionType": "custom"
                        },
                        {
                            "version": "6.10.14",
                            "lessThanOrEqual": "6.10.*",
                            "status": "unaffected",
                            "versionType": "custom"
                        },
                        {
                            "version": "6.11.3",
                            "lessThanOrEqual": "6.11.*",
                            "status": "unaffected",
                            "versionType": "custom"
                        },
                        {
                            "version": "6.12-rc1",
                            "lessThanOrEqual": "*",
                            "status": "unaffected",
                            "versionType": "original_commit_for_fix"
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/bf605ae98dab5c15c5b631d4d7f88898cb41b649"
                },
                {
                    "url": "https://git.kernel.org/stable/c/ff55291fb36779819211b596da703389135f5b05"
                },
                {
                    "url": "https://git.kernel.org/stable/c/82dfdd1e31e774578f76ce6dc90c834f96403a0f"
                },
                {
                    "url": "https://git.kernel.org/stable/c/86a89e75e9e4dfa768b97db466ad6bedf2e7ea5b"
                },
                {
                    "url": "https://git.kernel.org/stable/c/f60e94a83db799bde625ac8671a5b4a6354e7120"
                },
                {
                    "url": "https://git.kernel.org/stable/c/387bf565cc03e2e8c720b8b4798efea4aacb6962"
                },
                {
                    "url": "https://git.kernel.org/stable/c/5784d9fcfd43bd853654bb80c87ef293b9e8e80a"
                }
            ],
            "title": "ocfs2: fix null-ptr-deref when journal load failed.",
            "x_generator": {
                "engine": "bippy-c9c4e1df01b2"
            }
        },
        "adp": [
            {
                "metrics": [
                    {
                        "other": {
                            "type": "ssvc",
                            "content": {
                                "id": "CVE-2024-49957",
                                "role": "CISA Coordinator",
                                "options": [
                                    {
                                        "Exploitation": "none"
                                    },
                                    {
                                        "Automatable": "no"
                                    },
                                    {
                                        "Technical Impact": "partial"
                                    }
                                ],
                                "version": "2.0.3",
                                "timestamp": "2024-10-22T13:35:36.575300Z"
                            }
                        }
                    }
                ],
                "title": "CISA ADP Vulnrichment",
                "providerMetadata": {
                    "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
                    "shortName": "CISA-ADP",
                    "dateUpdated": "2024-10-22T13:38:48.252Z"
                }
            }
        ]
    }
}