{
  "id": "CVE-2022-49026",
  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
  "published": "2024-10-21T20:15:13.490",
  "lastModified": "2024-10-24T03:49:21.780",
  "vulnStatus": "Analyzed",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ne100: Fix possible use after free in e100_xmit_prepare\n\nIn e100_xmit_prepare(), if we can't map the skb, then return -ENOMEM, so\ne100_xmit_frame() will return NETDEV_TX_BUSY and the upper layer will\nresend the skb. But the skb is already freed, which will cause UAF bug\nwhen the upper layer resends the skb.\n\nRemove the harmful free."
    },
    {
      "lang": "es",
      "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: e100: Se corrige el posible use after free en e100_xmit_prepare En e100_xmit_prepare(), si no podemos mapear el skb, entonces devolvemos -ENOMEM, por lo que e100_xmit_frame() devolver\u00e1 NETDEV_TX_BUSY y la capa superior reenviar\u00e1 el skb. Pero el skb ya est\u00e1 liberado, lo que provocar\u00e1 un error UAF cuando la capa superior reenv\u00ede el skb. Elimine la liberaci\u00f3n da\u00f1ina."
    }
  ],
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          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
          "baseScore": 7.8,
          "baseSeverity": "HIGH",
          "attackVector": "LOCAL",
          "attackComplexity": "LOW",
          "privilegesRequired": "LOW",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "availabilityImpact": "HIGH"
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        "exploitabilityScore": 1.8,
        "impactScore": 5.9
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          "value": "CWE-416"
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