nvd-json-data-feeds/CVE-2024/CVE-2024-567xx/CVE-2024-56781.json

{
  "id": "CVE-2024-56781",
  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
  "published": "2025-01-08T18:15:19.030",
  "lastModified": "2025-01-09T21:21:49.207",
  "vulnStatus": "Analyzed",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "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\")"
    },
    {
      "lang": "es",
      "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: powerpc/prom_init: Reparaci\u00f3n de #size-cells faltantes en powermac. En algunos nodos `escc` faltan las propiedades `#size-cells`, lo cual est\u00e1 obsoleto y ahora activa una advertencia en el arranque desde el commit 045b14ca5c36 (\"of: WARN on precated #address-cells/#size-cells management\"). Por ejemplo: Falta '#size-cells' en /pci@f2000000/mac-io@c/escc@13000 ADVERTENCIA: CPU: 0 PID: 0 en drivers/of/base.c:133 of_bus_n_size_cells+0x98/0x108 Nombre de hardware: PowerMac3,1 7400 0xc0209 PowerMac ... Seguimiento de llamadas: of_bus_n_size_cells+0x98/0x108 (no confiable) of_bus_default_count_cells+0x40/0x60 __of_get_address+0xc8/0x21c __of_address_to_resource+0x5c/0x228 pmz_init_port+0x5c/0x2ec pmz_probe.isra.0+0x144/0x1e4 pmz_console_init+0x10/0x48 console_init+0xcc/0x138 start_kernel+0x5c4/0x694 Como los powermacs arrancan a trav\u00e9s de prom_init, es posible agregar las propiedades faltantes al \u00e1rbol de dispositivos durante el arranque, evitando la advertencia. Tenga en cuenta que a los nodos `escc-legacy` tambi\u00e9n les faltan las propiedades `#size-cells`, pero el controlador de Macio las omite, as\u00ed que d\u00e9jelas como est\u00e1n. Depende de: 045b14ca5c36 (\"of: WARN on deprecated #address-cells/#size-cells management\")"
    }
  ],
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        "source": "nvd@nist.gov",
        "type": "Primary",
        "cvssData": {
          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
          "baseScore": 5.5,
          "baseSeverity": "MEDIUM",
          "attackVector": "LOCAL",
          "attackComplexity": "LOW",
          "privilegesRequired": "LOW",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "availabilityImpact": "HIGH"
        },
        "exploitabilityScore": 1.8,
        "impactScore": 3.6
      }
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