{
  "id": "CVE-2024-42140",
  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
  "published": "2024-07-30T08:15:05.837",
  "lastModified": "2024-08-23T14:08:54.117",
  "vulnStatus": "Analyzed",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nriscv: kexec: Avoid deadlock in kexec crash path\n\nIf the kexec crash code is called in the interrupt context, the\nmachine_kexec_mask_interrupts() function will trigger a deadlock while\ntrying to acquire the irqdesc spinlock and then deactivate irqchip in\nirq_set_irqchip_state() function.\n\nUnlike arm64, riscv only requires irq_eoi handler to complete EOI and\nkeeping irq_set_irqchip_state() will only leave this possible deadlock\nwithout any use. So we simply remove it."
    },
    {
      "lang": "es",
      "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: riscv: kexec: evitar interbloqueo en la ruta de bloqueo de kexec Si se llama al c\u00f3digo de bloqueo de kexec en el contexto de interrupci\u00f3n, la funci\u00f3n machine_kexec_mask_interrupts() activar\u00e1 un interbloqueo al intentar adquirir el spinlock irqdesc y luego desactive irqchip en la funci\u00f3n irq_set_irqchip_state(). A diferencia de arm64, riscv solo requiere que el controlador irq_eoi complete la EOI y mantener irq_set_irqchip_state() solo dejar\u00e1 este posible punto muerto sin ning\u00fan uso. As\u00ed que simplemente lo eliminamos."
    }
  ],
  "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",
          "attackVector": "LOCAL",
          "attackComplexity": "LOW",
          "privilegesRequired": "LOW",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "availabilityImpact": "HIGH",
          "baseScore": 5.5,
          "baseSeverity": "MEDIUM"
        },
        "exploitabilityScore": 1.8,
        "impactScore": 3.6
      }
    ]
  },
  "weaknesses": [
    {
      "source": "nvd@nist.gov",
      "type": "Primary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-667"
        }
      ]
    }
  ],
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          "negate": false,
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      "url": "https://git.kernel.org/stable/c/484dd545271d02d1571e1c6b62ea7df9dbe5e692",
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