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CVE-2026-46329

Estado: AnalizadaMedia (5.5)—

In the Linux kernel, the following vulnerability has been resolved:

erofs: handle end of filesystem properly for file-backed mounts

I/O requests beyond the end of the filesystem should be zeroed out, similar to loopback devices and that is what we expect.

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 (1)

Linux — Linux Kernel

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2026-46329",
  "cveTags": [],
  "metrics": {
    "cvssMetricV31": [
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        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 5.5,
          "attackVector": "LOCAL",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
          "integrityImpact": "NONE",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "LOW",
          "confidentialityImpact": "NONE"
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        "impactScore": 3.6,
        "exploitabilityScore": 1.8
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          "vendor": "Linux",
          "product": "Linux",
          "versions": [
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              "status": "unaffected",
              "version": "6.18.14",
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              "status": "unaffected",
              "version": "6.19.4",
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            },
            {
              "status": "unaffected",
              "version": "7.0",
              "versionType": "original_commit_for_fix",
              "lessThanOrEqual": "*"
            }
          ],
          "programFiles": [
            "fs/erofs/fileio.c"
          ],
          "defaultStatus": "affected"
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      ]
    }
  ],
  "published": "2026-06-09T14:16:42.620",
  "references": [
    {
      "url": "https://git.kernel.org/stable/c/8d582d65d20bb4796db01b19e86909ad68cb337b",
      "tags": [
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      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
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      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
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      "tags": [
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      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    }
  ],
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "NVD-CWE-noinfo"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nerofs: handle end of filesystem properly for file-backed mounts\n\nI/O requests beyond the end of the filesystem should be zeroed out,\nsimilar to loopback devices and that is what we expect."
    },
    {
      "lang": "es",
      "value": "En el kernel de Linux, la siguiente vulnerabilidad ha sido resuelta:\n\nerofs: manejar el final del sistema de archivos correctamente para montajes respaldados por archivos\n\nLas solicitudes de E/S más allá del final del sistema de archivos deben ser rellenadas con ceros,\nsimilar a los dispositivos de bucle invertido y eso es lo que esperamos."
    }
  ],
  "lastModified": "2026-07-23T08:10:00.137",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
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}