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CVE-2022-42720

Estado: ModificadaAlta (7.8)—

Varios errores de recuento en el manejo de multi-BSS en la pila mac80211 en el kernel de Linux versiones 5.1 hasta 5.19.14, podrían ser usados por atacantes locales (capaces de inyectar tramas WLAN) para desencadenar condiciones de uso de memoria previamente liberada para potencialmente ejecutar código

CVSS

Probabilidad de explotación (EPSS)

EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).

Tecnologías afectadas (3)

Debian — Debian LinuxFedoraproject — FedoraLinux — Linux Kernel

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2022-42720",
  "cveTags": [],
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          "role": "CISA Coordinator",
          "options": [
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              "exploitation": "poc"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "total"
            }
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          "version": "2.0.3",
          "timestamp": "2025-05-15T20:46:43.901512Z"
        }
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          "integrityImpact": "HIGH",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "LOW",
          "confidentialityImpact": "HIGH"
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  "published": "2022-10-14T00:15:09.533",
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  "vulnStatus": "Modified",
  "weaknesses": [
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      "description": [
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      "value": "Various refcounting bugs in the multi-BSS handling in the mac80211 stack in the Linux kernel 5.1 through 5.19.x before 5.19.16 could be used by local attackers (able to inject WLAN frames) to trigger use-after-free conditions to potentially execute code."
    },
    {
      "lang": "es",
      "value": "Varios errores de recuento en el manejo de multi-BSS en la pila mac80211 en el kernel de Linux versiones 5.1 hasta 5.19.14, podrían ser usados por atacantes locales (capaces de inyectar tramas WLAN) para desencadenar condiciones de uso de memoria previamente liberada para potencialmente ejecutar código"
    }
  ],
  "lastModified": "2026-06-17T05:05:11.523",
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