nvd-json-data-feeds/CVE-2024/CVE-2024-566xx/CVE-2024-56623.json

{
  "id": "CVE-2024-56623",
  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
  "published": "2024-12-27T15:15:21.823",
  "lastModified": "2025-01-08T21:41:01.397",
  "vulnStatus": "Analyzed",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nscsi: qla2xxx: Fix use after free on unload\n\nSystem crash is observed with stack trace warning of use after\nfree. There are 2 signals to tell dpc_thread to terminate (UNLOADING\nflag and kthread_stop).\n\nOn setting the UNLOADING flag when dpc_thread happens to run at the time\nand sees the flag, this causes dpc_thread to exit and clean up\nitself. When kthread_stop is called for final cleanup, this causes use\nafter free.\n\nRemove UNLOADING signal to terminate dpc_thread.  Use the kthread_stop\nas the main signal to exit dpc_thread.\n\n[596663.812935] kernel BUG at mm/slub.c:294!\n[596663.812950] invalid opcode: 0000 [#1] SMP PTI\n[596663.812957] CPU: 13 PID: 1475935 Comm: rmmod Kdump: loaded Tainted: G          IOE    --------- -  - 4.18.0-240.el8.x86_64 #1\n[596663.812960] Hardware name: HP ProLiant DL380p Gen8, BIOS P70 08/20/2012\n[596663.812974] RIP: 0010:__slab_free+0x17d/0x360\n\n...\n[596663.813008] Call Trace:\n[596663.813022]  ? __dentry_kill+0x121/0x170\n[596663.813030]  ? _cond_resched+0x15/0x30\n[596663.813034]  ? _cond_resched+0x15/0x30\n[596663.813039]  ? wait_for_completion+0x35/0x190\n[596663.813048]  ? try_to_wake_up+0x63/0x540\n[596663.813055]  free_task+0x5a/0x60\n[596663.813061]  kthread_stop+0xf3/0x100\n[596663.813103]  qla2x00_remove_one+0x284/0x440 [qla2xxx]"
    },
    {
      "lang": "es",
      "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: scsi: qla2xxx: Se corrige el use-after-free en la descarga Se observa un fallo del sistema con una advertencia de seguimiento de la pila de use-after-free. Hay 2 se\u00f1ales para indicar a dpc_thread que finalice (indicador UNLOADING y kthread_stop). Al establecer el indicador UNLOADING cuando dpc_thread se est\u00e1 ejecutando en ese momento y ve el indicador, esto hace que dpc_thread salga y se limpie a s\u00ed mismo. Cuando se llama a kthread_stop para la desinfecci\u00f3n final, esto provoca el use-after-free. Eliminar la se\u00f1al UNLOADING para finalizar dpc_thread. Usar kthread_stop como la se\u00f1al principal para salir de dpc_thread. [596663.812935] \u00a1ERROR del kernel en mm/slub.c:294! [596663.812950] C\u00f3digo de operaci\u00f3n no v\u00e1lido: 0000 [#1] SMP PTI [596663.812957] CPU: 13 PID: 1475935 Comm: rmmod Kdump: cargado Contaminado: G IOE --------- - - 4.18.0-240.el8.x86_64 #1 [596663.812960] Nombre del hardware: HP ProLiant DL380p Gen8, BIOS P70 20/08/2012 [596663.812974] RIP: 0010:__slab_free+0x17d/0x360 ... [596663.813008] Seguimiento de llamadas: [596663.813022] ? esperar_a_finalizaci\u00f3n+0x35/0x190 [596663.813048] ? intentar_activar+0x63/0x540 [596663.813055] tarea_libre+0x5a/0x60 [596663.813061] kthread_stop+0xf3/0x100 [596663.813103] qla2x00_eliminar_uno+0x284/0x440 [qla2xxx]"
    }
  ],
  "metrics": {
    "cvssMetricV31": [
      {
        "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
      }
    ]
  },
  "weaknesses": [
    {
      "source": "nvd@nist.gov",
      "type": "Primary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-416"
        }
      ]
    }
  ],
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