{
  "id": "CVE-2024-40931",
  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
  "published": "2024-07-12T13:15:15.750",
  "lastModified": "2025-03-06T12:55:45.233",
  "vulnStatus": "Analyzed",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nmptcp: ensure snd_una is properly initialized on connect\n\nThis is strictly related to commit fb7a0d334894 (\"mptcp: ensure snd_nxt\nis properly initialized on connect\"). It turns out that syzkaller can\ntrigger the retransmit after fallback and before processing any other\nincoming packet - so that snd_una is still left uninitialized.\n\nAddress the issue explicitly initializing snd_una together with snd_nxt\nand write_seq."
    },
    {
      "lang": "es",
      "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: mptcp: aseg\u00farese de que snd_una se inicialice correctamente al conectarse. Esto est\u00e1 estrictamente relacionado con el commit fb7a0d334894 (\"mptcp: aseg\u00farese de que snd_nxt se inicialice correctamente al conectarse\"). Resulta que syzkaller puede activar la retransmisi\u00f3n despu\u00e9s del respaldo y antes de procesar cualquier otro paquete entrante, de modo que snd_una a\u00fan permanece sin inicializar. Solucione el problema al inicializar expl\u00edcitamente snd_una junto con snd_nxt y write_seq."
    }
  ],
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        "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",
          "baseScore": 5.5,
          "baseSeverity": "MEDIUM",
          "attackVector": "LOCAL",
          "attackComplexity": "LOW",
          "privilegesRequired": "LOW",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "availabilityImpact": "HIGH"
        },
        "exploitabilityScore": 1.8,
        "impactScore": 3.6
      }
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          "value": "CWE-908"
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