nvd-json-data-feeds/CVE-2024/CVE-2024-386xx/CVE-2024-38662.json

{
  "id": "CVE-2024-38662",
  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
  "published": "2024-06-21T12:15:11.180",
  "lastModified": "2024-11-21T09:26:34.917",
  "vulnStatus": "Modified",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nbpf: Allow delete from sockmap/sockhash only if update is allowed\n\nWe have seen an influx of syzkaller reports where a BPF program attached to\na tracepoint triggers a locking rule violation by performing a map_delete\non a sockmap/sockhash.\n\nWe don't intend to support this artificial use scenario. Extend the\nexisting verifier allowed-program-type check for updating sockmap/sockhash\nto also cover deleting from a map.\n\nFrom now on only BPF programs which were previously allowed to update\nsockmap/sockhash can delete from these map types."
    },
    {
      "lang": "es",
      "value": "En el kernel de Linux, se resolvi\u00f3 la siguiente vulnerabilidad: bpf: permitir la eliminaci\u00f3n de sockmap/sockhash solo si se permite la actualizaci\u00f3n. Hemos visto una afluencia de informes de syzkaller donde un programa BPF adjunto a un punto de seguimiento desencadena una violaci\u00f3n de la regla de bloqueo al realizar un map_delete en un mapa de calcetines/sockhash. No pretendemos apoyar este escenario de uso artificial. Ampl\u00ede la verificaci\u00f3n de tipo de programa permitido del verificador existente para actualizar sockmap/sockhash para cubrir tambi\u00e9n la eliminaci\u00f3n de un mapa. De ahora en adelante, s\u00f3lo los programas BPF a los que anteriormente se les permit\u00eda actualizar sockmap/sockhash pueden eliminar de estos tipos de mapas."
    }
  ],
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        "source": "nvd@nist.gov",
        "type": "Primary",
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          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:N",
          "baseScore": 4.7,
          "baseSeverity": "MEDIUM",
          "attackVector": "LOCAL",
          "attackComplexity": "HIGH",
          "privilegesRequired": "LOW",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "NONE",
          "integrityImpact": "HIGH",
          "availabilityImpact": "NONE"
        },
        "exploitabilityScore": 1.0,
        "impactScore": 3.6
      }
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