{
    "data_version": "4.0",
    "data_type": "CVE",
    "data_format": "MITRE",
    "CVE_data_meta": {
        "ID": "CVE-2024-27023",
        "ASSIGNER": "cve@kernel.org",
        "STATE": "PUBLIC"
    },
    "description": {
        "description_data": [
            {
                "lang": "eng",
                "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nmd: Fix missing release of 'active_io' for flush\n\nsubmit_flushes\n atomic_set(&mddev->flush_pending, 1);\n rdev_for_each_rcu(rdev, mddev)\n  atomic_inc(&mddev->flush_pending);\n  bi->bi_end_io = md_end_flush\n  submit_bio(bi);\n                        /* flush io is done first */\n                        md_end_flush\n                         if (atomic_dec_and_test(&mddev->flush_pending))\n                          percpu_ref_put(&mddev->active_io)\n                          -> active_io is not released\n\n if (atomic_dec_and_test(&mddev->flush_pending))\n  -> missing release of active_io\n\nFor consequence, mddev_suspend() will wait for 'active_io' to be zero\nforever.\n\nFix this problem by releasing 'active_io' in submit_flushes() if\n'flush_pending' is decreased to zero."
            }
        ]
    },
    "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": "f9f2d957a8ea",
                                            "version_value": "6b2ff10390b1"
                                        },
                                        {
                                            "version_affected": "<",
                                            "version_name": "530cec617f5a",
                                            "version_value": "02dad157ba11"
                                        },
                                        {
                                            "version_affected": "<",
                                            "version_name": "c4c2345214b6",
                                            "version_value": "11f81438927f"
                                        },
                                        {
                                            "version_affected": "<",
                                            "version_name": "fa2bbff7b0b4",
                                            "version_value": "855678ed8534"
                                        },
                                        {
                                            "version_affected": "<",
                                            "version_name": "6.1.75",
                                            "version_value": "6.1.80"
                                        },
                                        {
                                            "version_affected": "<",
                                            "version_name": "6.6.14",
                                            "version_value": "6.6.19"
                                        },
                                        {
                                            "version_affected": "<",
                                            "version_name": "6.7.2",
                                            "version_value": "6.7.7"
                                        }
                                    ]
                                }
                            }
                        ]
                    }
                }
            ]
        }
    },
    "references": {
        "reference_data": [
            {
                "url": "https://git.kernel.org/stable/c/6b2ff10390b19a2364af622b6666b690443f9f3f",
                "refsource": "MISC",
                "name": "https://git.kernel.org/stable/c/6b2ff10390b19a2364af622b6666b690443f9f3f"
            },
            {
                "url": "https://git.kernel.org/stable/c/02dad157ba11064d073f5499dc33552b227d5d3a",
                "refsource": "MISC",
                "name": "https://git.kernel.org/stable/c/02dad157ba11064d073f5499dc33552b227d5d3a"
            },
            {
                "url": "https://git.kernel.org/stable/c/11f81438927f84edfaaeb5d5f10856c3a1c1fc82",
                "refsource": "MISC",
                "name": "https://git.kernel.org/stable/c/11f81438927f84edfaaeb5d5f10856c3a1c1fc82"
            },
            {
                "url": "https://git.kernel.org/stable/c/855678ed8534518e2b428bcbcec695de9ba248e8",
                "refsource": "MISC",
                "name": "https://git.kernel.org/stable/c/855678ed8534518e2b428bcbcec695de9ba248e8"
            }
        ]
    },
    "generator": {
        "engine": "bippy-a5840b7849dd"
    }
}