{
    "data_version": "4.0",
    "data_type": "CVE",
    "data_format": "MITRE",
    "CVE_data_meta": {
        "ID": "CVE-2024-53155",
        "ASSIGNER": "cve@kernel.org",
        "STATE": "PUBLIC"
    },
    "description": {
        "description_data": [
            {
                "lang": "eng",
                "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nocfs2: fix uninitialized value in ocfs2_file_read_iter()\n\nSyzbot has reported the following KMSAN splat:\n\nBUG: KMSAN: uninit-value in ocfs2_file_read_iter+0x9a4/0xf80\n ocfs2_file_read_iter+0x9a4/0xf80\n __io_read+0x8d4/0x20f0\n io_read+0x3e/0xf0\n io_issue_sqe+0x42b/0x22c0\n io_wq_submit_work+0xaf9/0xdc0\n io_worker_handle_work+0xd13/0x2110\n io_wq_worker+0x447/0x1410\n ret_from_fork+0x6f/0x90\n ret_from_fork_asm+0x1a/0x30\n\nUninit was created at:\n __alloc_pages_noprof+0x9a7/0xe00\n alloc_pages_mpol_noprof+0x299/0x990\n alloc_pages_noprof+0x1bf/0x1e0\n allocate_slab+0x33a/0x1250\n ___slab_alloc+0x12ef/0x35e0\n kmem_cache_alloc_bulk_noprof+0x486/0x1330\n __io_alloc_req_refill+0x84/0x560\n io_submit_sqes+0x172f/0x2f30\n __se_sys_io_uring_enter+0x406/0x41c0\n __x64_sys_io_uring_enter+0x11f/0x1a0\n x64_sys_call+0x2b54/0x3ba0\n do_syscall_64+0xcd/0x1e0\n entry_SYSCALL_64_after_hwframe+0x77/0x7f\n\nSince an instance of 'struct kiocb' may be passed from the block layer\nwith 'private' field uninitialized, introduce 'ocfs2_iocb_init_rw_locked()'\nand use it from where 'ocfs2_dio_end_io()' might take care, i.e. in\n'ocfs2_file_read_iter()' and 'ocfs2_file_write_iter()'."
            }
        ]
    },
    "problemtype": {
        "problemtype_data": [
            {
                "description": [
                    {
                        "lang": "eng",
                        "value": "n/a"
                    }
                ]
            }
        ]
    },
    "affects": {
        "vendor": {
            "vendor_data": [
                {
                    "vendor_name": "Linux",
                    "product": {
                        "product_data": [
                            {
                                "product_name": "Linux",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_affected": "<",
                                            "version_name": "7cdfc3a1c3971c9125c317cb8c2525745851798e",
                                            "version_value": "6c8f8d1e595dabd5389817f6d798cc8bd95c40ab"
                                        },
                                        {
                                            "version_value": "not down converted",
                                            "x_cve_json_5_version_data": {
                                                "versions": [
                                                    {
                                                        "version": "2.6.22",
                                                        "status": "affected"
                                                    },
                                                    {
                                                        "version": "0",
                                                        "lessThan": "2.6.22",
                                                        "status": "unaffected",
                                                        "versionType": "semver"
                                                    },
                                                    {
                                                        "version": "4.19.325",
                                                        "lessThanOrEqual": "4.19.*",
                                                        "status": "unaffected",
                                                        "versionType": "semver"
                                                    },
                                                    {
                                                        "version": "5.4.287",
                                                        "lessThanOrEqual": "5.4.*",
                                                        "status": "unaffected",
                                                        "versionType": "semver"
                                                    },
                                                    {
                                                        "version": "5.10.231",
                                                        "lessThanOrEqual": "5.10.*",
                                                        "status": "unaffected",
                                                        "versionType": "semver"
                                                    },
                                                    {
                                                        "version": "5.15.174",
                                                        "lessThanOrEqual": "5.15.*",
                                                        "status": "unaffected",
                                                        "versionType": "semver"
                                                    },
                                                    {
                                                        "version": "6.1.120",
                                                        "lessThanOrEqual": "6.1.*",
                                                        "status": "unaffected",
                                                        "versionType": "semver"
                                                    },
                                                    {
                                                        "version": "6.6.64",
                                                        "lessThanOrEqual": "6.6.*",
                                                        "status": "unaffected",
                                                        "versionType": "semver"
                                                    },
                                                    {
                                                        "version": "6.11.11",
                                                        "lessThanOrEqual": "6.11.*",
                                                        "status": "unaffected",
                                                        "versionType": "semver"
                                                    },
                                                    {
                                                        "version": "6.12.2",
                                                        "lessThanOrEqual": "6.12.*",
                                                        "status": "unaffected",
                                                        "versionType": "semver"
                                                    },
                                                    {
                                                        "version": "6.13-rc1",
                                                        "lessThanOrEqual": "*",
                                                        "status": "unaffected",
                                                        "versionType": "original_commit_for_fix"
                                                    }
                                                ],
                                                "defaultStatus": "affected"
                                            }
                                        }
                                    ]
                                }
                            }
                        ]
                    }
                }
            ]
        }
    },
    "references": {
        "reference_data": [
            {
                "url": "https://git.kernel.org/stable/c/6c8f8d1e595dabd5389817f6d798cc8bd95c40ab",
                "refsource": "MISC",
                "name": "https://git.kernel.org/stable/c/6c8f8d1e595dabd5389817f6d798cc8bd95c40ab"
            },
            {
                "url": "https://git.kernel.org/stable/c/f4078ef38d3163e6be47403a619558b19c4bfccd",
                "refsource": "MISC",
                "name": "https://git.kernel.org/stable/c/f4078ef38d3163e6be47403a619558b19c4bfccd"
            },
            {
                "url": "https://git.kernel.org/stable/c/66b7ddd1804e2c4216dd7ead8eeb746cdbb3b62f",
                "refsource": "MISC",
                "name": "https://git.kernel.org/stable/c/66b7ddd1804e2c4216dd7ead8eeb746cdbb3b62f"
            },
            {
                "url": "https://git.kernel.org/stable/c/8c966150d5abff58c3c2bdb9a6e63fd773782905",
                "refsource": "MISC",
                "name": "https://git.kernel.org/stable/c/8c966150d5abff58c3c2bdb9a6e63fd773782905"
            },
            {
                "url": "https://git.kernel.org/stable/c/83f8713a0ef1d55d6a287bcfadcaab8245ac5098",
                "refsource": "MISC",
                "name": "https://git.kernel.org/stable/c/83f8713a0ef1d55d6a287bcfadcaab8245ac5098"
            },
            {
                "url": "https://git.kernel.org/stable/c/8e0de82ed18ba0e71f817adbd81317fd1032ca5a",
                "refsource": "MISC",
                "name": "https://git.kernel.org/stable/c/8e0de82ed18ba0e71f817adbd81317fd1032ca5a"
            },
            {
                "url": "https://git.kernel.org/stable/c/366c933c2ab34dd6551acc03b4872726b7605143",
                "refsource": "MISC",
                "name": "https://git.kernel.org/stable/c/366c933c2ab34dd6551acc03b4872726b7605143"
            },
            {
                "url": "https://git.kernel.org/stable/c/dc78efe556fed162d48736ef24066f42e463e27c",
                "refsource": "MISC",
                "name": "https://git.kernel.org/stable/c/dc78efe556fed162d48736ef24066f42e463e27c"
            },
            {
                "url": "https://git.kernel.org/stable/c/adc77b19f62d7e80f98400b2fca9d700d2afdd6f",
                "refsource": "MISC",
                "name": "https://git.kernel.org/stable/c/adc77b19f62d7e80f98400b2fca9d700d2afdd6f"
            }
        ]
    },
    "generator": {
        "engine": "bippy-5f407fcff5a0"
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}