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CVE-2021-3905

Estado: ModificadaAlta (7.5)—

A memory leak was found in Open vSwitch (OVS) during userspace IP fragmentation processing. An attacker could use this flaw to potentially exhaust available memory by keeping sending packet fragments.

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 (4)

Canonical — Ubuntu LinuxFedoraproject — FedoraOpenvswitch — OpenvswitchRedhat — Enterprise Linux Fast Datapath

CWE

Referencias

JSON original (NVD)

Mostrar
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          "version": "3.1",
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          "attackVector": "NETWORK",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
          "integrityImpact": "NONE",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "NONE"
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        "exploitabilityScore": 3.9
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  "published": "2022-08-23T16:15:10.177",
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          "value": "CWE-401"
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  "descriptions": [
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      "lang": "en",
      "value": "A memory leak was found in Open vSwitch (OVS) during userspace IP fragmentation processing. An attacker could use this flaw to potentially exhaust available memory by keeping sending packet fragments."
    },
    {
      "lang": "es",
      "value": "Se ha encontrado una pérdida de memoria en Open vSwitch (OVS) durante el procesamiento de la fragmentación IP en el espacio de usuario. Un atacante podría usar este fallo para agotar potencialmente la memoria disponible al seguir enviando fragmentos de paquetes."
    }
  ],
  "lastModified": "2026-06-17T04:05:57.907",
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