CVE-2024-50209

Estado: ModificadaAlta (7.8)—

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

RDMA/bnxt_re: Add a check for memory allocation

__alloc_pbl() can return error when memory allocation fails. Driver is not checking the status on one of the instances.

CVSS

Versión: 3.1
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Puntuación base: 7.8

Probabilidad de explotación (EPSS)

Probabilidad de explotación en los próximos 30 días: 0.21%
Percentil entre todas las CVEs puntuadas: 11
Fecha de la puntuación: 6/10/2026

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).

🎯 Técnicas ATT&CK

Cómo se explota esta vulnerabilidad y qué consigue el atacante, en el lenguaje de MITRE ATT&CK.

ExplotaciónT1068 Exploitation for Privilege Escalationprivilege escalation85 %
Impacto principalT1499.004 Application or System Exploitationimpact70 %

Vulnerabilidad de asignación de memoria en el kernel de Linux (AV:L, PR:L, UI:N) sin validación permite DoS por fallo de allocación o ejecución de código con privilegios elevados (I:H, A:H).

Inferido por nuestro agente de análisis a partir de la descripción oficial, el vector CVSS y la CWE, y comprobado por un supervisor. Puede contener errores.

🛡️ Mitigaciones ATT&CK que cubren estas técnicas

Threat Intelligence Program Filter Network Traffic Execution Prevention Application Isolation and Sandboxing Exploit Protection Update Software

Tecnologías afectadas (1)

Linux — Linux Kernel

CWE

NVD-CWE-noinfo

Referencias

JSON original (NVD)

Mostrar

{
  "id": "CVE-2024-50209",
  "cveTags": [],
  "metrics": {
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2024-50209",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "total"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2025-10-01T20:17:25.575621Z"
        }
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 7.8,
          "attackVector": "LOCAL",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
          "integrityImpact": "HIGH",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "LOW",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 5.9,
        "exploitabilityScore": 1.8
      },
      {
        "type": "Secondary",
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 7.8,
          "attackVector": "LOCAL",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
          "integrityImpact": "HIGH",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "LOW",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 5.9,
        "exploitabilityScore": 1.8
      }
    ]
  },
  "affected": [
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "affectedData": [
        {
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "product": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "0c4dcd602817502bb3dced7a834a13ef717d65a4",
              "lessThan": "dbe51dd516e6d4e655f31c8a1cbc050dde7ba97b",
              "versionType": "git"
            },
            {
              "status": "affected",
              "version": "0c4dcd602817502bb3dced7a834a13ef717d65a4",
              "lessThan": "322a19baaaa25a1fe8ce9fceaed9409ad847844c",
              "versionType": "git"
            },
            {
              "status": "affected",
              "version": "0c4dcd602817502bb3dced7a834a13ef717d65a4",
              "lessThan": "76dd679c3b148d23f72dcf6c3cde3d5f746b2c07",
              "versionType": "git"
            },
            {
              "status": "affected",
              "version": "0c4dcd602817502bb3dced7a834a13ef717d65a4",
              "lessThan": "c71957271f2e8133a6aa82001c2fa671d5008129",
              "versionType": "git"
            },
            {
              "status": "affected",
              "version": "0c4dcd602817502bb3dced7a834a13ef717d65a4",
              "lessThan": "ba9045887b435a4c5551245ae034b8791b4e4aaa",
              "versionType": "git"
            },
            {
              "status": "affected",
              "version": "0c4dcd602817502bb3dced7a834a13ef717d65a4",
              "lessThan": "c5c1ae73b7741fa3b58e6e001b407825bb971225",
              "versionType": "git"
            }
          ],
          "programFiles": [
            "drivers/infiniband/hw/bnxt_re/qplib_res.c"
          ],
          "defaultStatus": "unaffected"
        },
        {
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "product": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "5.7"
            },
            {
              "status": "unaffected",
              "version": "0",
              "lessThan": "5.7",
              "versionType": "semver"
            },
            {
              "status": "unaffected",
              "version": "5.10.229",
              "versionType": "semver",
              "lessThanOrEqual": "5.10.*"
            },
            {
              "status": "unaffected",
              "version": "5.15.170",
              "versionType": "semver",
              "lessThanOrEqual": "5.15.*"
            },
            {
              "status": "unaffected",
              "version": "6.1.115",
              "versionType": "semver",
              "lessThanOrEqual": "6.1.*"
            },
            {
              "status": "unaffected",
              "version": "6.6.59",
              "versionType": "semver",
              "lessThanOrEqual": "6.6.*"
            },
            {
              "status": "unaffected",
              "version": "6.11.6",
              "versionType": "semver",
              "lessThanOrEqual": "6.11.*"
            },
            {
              "status": "unaffected",
              "version": "6.12",
              "versionType": "original_commit_for_fix",
              "lessThanOrEqual": "*"
            }
          ],
          "programFiles": [
            "drivers/infiniband/hw/bnxt_re/qplib_res.c"
          ],
          "defaultStatus": "affected"
        }
      ]
    }
  ],
  "published": "2024-11-08T06:15:17.287",
  "references": [
    {
      "url": "https://git.kernel.org/stable/c/322a19baaaa25a1fe8ce9fceaed9409ad847844c",
      "tags": [
        "Patch"
      ],
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/76dd679c3b148d23f72dcf6c3cde3d5f746b2c07",
      "tags": [
        "Patch"
      ],
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/ba9045887b435a4c5551245ae034b8791b4e4aaa",
      "tags": [
        "Patch"
      ],
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/c5c1ae73b7741fa3b58e6e001b407825bb971225",
      "tags": [
        "Patch"
      ],
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/c71957271f2e8133a6aa82001c2fa671d5008129",
      "tags": [
        "Patch"
      ],
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/dbe51dd516e6d4e655f31c8a1cbc050dde7ba97b",
      "tags": [
        "Patch"
      ],
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://lists.debian.org/debian-lts-announce/2025/03/msg00002.html",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "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\nRDMA/bnxt_re: Add a check for memory allocation\n\n__alloc_pbl() can return error when memory allocation fails.\nDriver is not checking the status on one of the instances."
    },
    {
      "lang": "es",
      "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: RDMA/bnxt_re: se agrega una comprobación de asignación de memoria. __alloc_pbl() puede devolver un error cuando falla la asignación de memoria. El controlador no está comprobando el estado en una de las instancias."
    }
  ],
  "lastModified": "2026-06-17T08:03:52.783",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "2EADCAD4-13A5-494E-8458-135A798BE1A6",
              "versionEndExcluding": "5.10.229",
              "versionStartIncluding": "5.7"
            },
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "7CE95756-0E56-4B60-BD49-639A182D313E",
              "versionEndExcluding": "5.15.170",
              "versionStartIncluding": "5.15"
            },
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "C08A77A6-E42E-4EFD-B5A1-2BF6CBBB42AE",
              "versionEndExcluding": "6.1.115",
              "versionStartIncluding": "5.16"
            },
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "5D15CA59-D15C-4ACD-8B03-A072DEAD2081",
              "versionEndExcluding": "6.6.59",
              "versionStartIncluding": "6.2"
            },
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "E4486B12-007B-4794-9857-F07145637AA1",
              "versionEndExcluding": "6.11.6",
              "versionStartIncluding": "6.7"
            },
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:6.12:rc1:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "7F361E1D-580F-4A2D-A509-7615F73167A1"
            },
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:6.12:rc2:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "925478D0-3E3D-4E6F-ACD5-09F28D5DF82C"
            },
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:6.12:rc3:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "3C95E234-D335-4B6C-96BF-E2CEBD8654ED"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
}