{
    "data_version": "4.0",
    "data_type": "CVE",
    "data_format": "MITRE",
    "CVE_data_meta": {
        "ID": "CVE-2024-57875",
        "ASSIGNER": "cve@kernel.org",
        "STATE": "PUBLIC"
    },
    "description": {
        "description_data": [
            {
                "lang": "eng",
                "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nblock: RCU protect disk->conv_zones_bitmap\n\nEnsure that a disk revalidation changing the conventional zones bitmap\nof a disk does not cause invalid memory references when using the\ndisk_zone_is_conv() helper by RCU protecting the disk->conv_zones_bitmap\npointer.\n\ndisk_zone_is_conv() is modified to operate under the RCU read lock and\nthe function disk_set_conv_zones_bitmap() is added to update a disk\nconv_zones_bitmap pointer using rcu_replace_pointer() with the disk\nzone_wplugs_lock spinlock held.\n\ndisk_free_zone_resources() is modified to call\ndisk_update_zone_resources() with a NULL bitmap pointer to free the disk\nconv_zones_bitmap. disk_set_conv_zones_bitmap() is also used in\ndisk_update_zone_resources() to set the new (revalidated) bitmap and\nfree the old one."
            }
        ]
    },
    "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": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
                                            "version_value": "493326c4f10cc71a42c27fdc97ce112182ee4cbc"
                                        },
                                        {
                                            "version_value": "not down converted",
                                            "x_cve_json_5_version_data": {
                                                "versions": [
                                                    {
                                                        "version": "6.12.5",
                                                        "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/493326c4f10cc71a42c27fdc97ce112182ee4cbc",
                "refsource": "MISC",
                "name": "https://git.kernel.org/stable/c/493326c4f10cc71a42c27fdc97ce112182ee4cbc"
            },
            {
                "url": "https://git.kernel.org/stable/c/d7cb6d7414ea1b33536fa6d11805cb8dceec1f97",
                "refsource": "MISC",
                "name": "https://git.kernel.org/stable/c/d7cb6d7414ea1b33536fa6d11805cb8dceec1f97"
            }
        ]
    },
    "generator": {
        "engine": "bippy-5f407fcff5a0"
    }
}