{
    "data_version": "4.0",
    "data_type": "CVE",
    "data_format": "MITRE",
    "CVE_data_meta": {
        "ID": "CVE-2024-56781",
        "ASSIGNER": "cve@kernel.org",
        "STATE": "PUBLIC"
    },
    "description": {
        "description_data": [
            {
                "lang": "eng",
                "value": "In the Linux kernel, the following vulnerability has been resolved:\n\npowerpc/prom_init: Fixup missing powermac #size-cells\n\nOn some powermacs `escc` nodes are missing `#size-cells` properties,\nwhich is deprecated and now triggers a warning at boot since commit\n045b14ca5c36 (\"of: WARN on deprecated #address-cells/#size-cells\nhandling\").\n\nFor example:\n\n  Missing '#size-cells' in /pci@f2000000/mac-io@c/escc@13000\n  WARNING: CPU: 0 PID: 0 at drivers/of/base.c:133 of_bus_n_size_cells+0x98/0x108\n  Hardware name: PowerMac3,1 7400 0xc0209 PowerMac\n  ...\n  Call Trace:\n    of_bus_n_size_cells+0x98/0x108 (unreliable)\n    of_bus_default_count_cells+0x40/0x60\n    __of_get_address+0xc8/0x21c\n    __of_address_to_resource+0x5c/0x228\n    pmz_init_port+0x5c/0x2ec\n    pmz_probe.isra.0+0x144/0x1e4\n    pmz_console_init+0x10/0x48\n    console_init+0xcc/0x138\n    start_kernel+0x5c4/0x694\n\nAs powermacs boot via prom_init it's possible to add the missing\nproperties to the device tree during boot, avoiding the warning. Note\nthat `escc-legacy` nodes are also missing `#size-cells` properties, but\nthey are skipped by the macio driver, so leave them alone.\n\nDepends-on: 045b14ca5c36 (\"of: WARN on deprecated #address-cells/#size-cells handling\")"
            }
        ]
    },
    "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": "0b94d838018fb0a824e0cd3149034928c99fb1b7"
                                        },
                                        {
                                            "version_value": "not down converted",
                                            "x_cve_json_5_version_data": {
                                                "versions": [
                                                    {
                                                        "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": "6.6.66",
                                                        "lessThanOrEqual": "6.6.*",
                                                        "status": "unaffected",
                                                        "versionType": "semver"
                                                    },
                                                    {
                                                        "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/0b94d838018fb0a824e0cd3149034928c99fb1b7",
                "refsource": "MISC",
                "name": "https://git.kernel.org/stable/c/0b94d838018fb0a824e0cd3149034928c99fb1b7"
            },
            {
                "url": "https://git.kernel.org/stable/c/a79a7e3c03ae2a07f68b5f24d5ed549f9799ec89",
                "refsource": "MISC",
                "name": "https://git.kernel.org/stable/c/a79a7e3c03ae2a07f68b5f24d5ed549f9799ec89"
            },
            {
                "url": "https://git.kernel.org/stable/c/ee68554d2c03e32077f7b984e5289fdb005036d2",
                "refsource": "MISC",
                "name": "https://git.kernel.org/stable/c/ee68554d2c03e32077f7b984e5289fdb005036d2"
            },
            {
                "url": "https://git.kernel.org/stable/c/6d5f0453a2228607333bff0c85238a3cb495d194",
                "refsource": "MISC",
                "name": "https://git.kernel.org/stable/c/6d5f0453a2228607333bff0c85238a3cb495d194"
            },
            {
                "url": "https://git.kernel.org/stable/c/691284c2cd33ffaa0b35ce53b3286b90621e9dc9",
                "refsource": "MISC",
                "name": "https://git.kernel.org/stable/c/691284c2cd33ffaa0b35ce53b3286b90621e9dc9"
            },
            {
                "url": "https://git.kernel.org/stable/c/296a109fa77110ba5267fe0e90a26005eecc2726",
                "refsource": "MISC",
                "name": "https://git.kernel.org/stable/c/296a109fa77110ba5267fe0e90a26005eecc2726"
            },
            {
                "url": "https://git.kernel.org/stable/c/cf89c9434af122f28a3552e6f9cc5158c33ce50a",
                "refsource": "MISC",
                "name": "https://git.kernel.org/stable/c/cf89c9434af122f28a3552e6f9cc5158c33ce50a"
            }
        ]
    },
    "generator": {
        "engine": "bippy-5f407fcff5a0"
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}