CVE-2026-98152

Estado: En análisisMedia (5.5)—

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

nvmet-rdma: fix queue leak when connect backlog is exceeded

When pending disconnecting queues exceed the backlog limit, the connect path only drops the device reference and leaks the newly allocated queue and its IB resources.

CVSS

Versión: 3.1
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Puntuación base: 5.5

Probabilidad de explotación (EPSS)

Probabilidad de explotación en los próximos 30 días: 0.11%
Percentil entre todas las CVEs puntuadas: 1
Fecha de la puntuación: 5/10/2026

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 principalT1499.002 Service Exhaustion Floodimpact80 %

Acceso local sin interacción (AV:L, PR:L, UI:N) + impacto de disponibilidad (A:H). Fuga de recursos en kernel de Linux provoca denegación de servicio por agotamiento de memoria.

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

CWE-401

Referencias

JSON original (NVD)

Mostrar

{
  "id": "CVE-2026-98152",
  "cveTags": [],
  "metrics": {
    "cvssMetricV31": [
      {
        "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"
        },
        "impactScore": 3.6,
        "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": "204b9645536bb4a77a2cb35e6519dbf9f4ea1665",
              "lessThan": "186414a6a1a34e081b07e8873622f90402346235",
              "versionType": "git"
            },
            {
              "status": "affected",
              "version": "00eaa58988d35fd47ca8811f7f72871591f61ffb",
              "lessThan": "e48f9d1076f8c62c3969588d638602b94aaeff12",
              "versionType": "git"
            },
            {
              "status": "affected",
              "version": "712f3268a62d0df98a7ee991cba963ced2e58007",
              "lessThan": "32e598324edc3ebb1ac9362d5b9fc30ce0de4873",
              "versionType": "git"
            },
            {
              "status": "affected",
              "version": "d65fe42820b890a6a4644de0a95a812471f79ad3",
              "lessThan": "287420cde9d6669abcd2878c344db67423eb7df6",
              "versionType": "git"
            },
            {
              "status": "affected",
              "version": "a8803c4f0ac3fa7df5551bbb5a8800c434a94357",
              "lessThan": "4f7cf573cdf0ee857448b9b1967d686b07c71e7d",
              "versionType": "git"
            },
            {
              "status": "affected",
              "version": "badc53620fe813b3a9f727ef9526f98567c2c898",
              "lessThan": "60d56bf0b14d3c545bacb9aeef92a7e6f2cf0caa",
              "versionType": "git"
            },
            {
              "status": "affected",
              "version": "badc53620fe813b3a9f727ef9526f98567c2c898",
              "lessThan": "fb1ed67788e21832b614c23767a088c08cfdd2f2",
              "versionType": "git"
            },
            {
              "status": "affected",
              "version": "5828517d17eda27f21d29ea14800c9e0a57bad11",
              "versionType": "git"
            },
            {
              "status": "affected",
              "version": "6.12.96",
              "lessThan": "6.12.111",
              "versionType": "semver"
            },
            {
              "status": "affected",
              "version": "6.18.39",
              "lessThan": "6.18.53",
              "versionType": "semver"
            },
            {
              "status": "affected",
              "version": "7.1.4",
              "lessThan": "7.2",
              "versionType": "semver"
            }
          ],
          "programFiles": [
            "drivers/nvme/target/rdma.c"
          ],
          "defaultStatus": "unaffected"
        },
        {
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "product": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "7.2"
            },
            {
              "status": "unaffected",
              "version": "0",
              "lessThan": "7.2",
              "versionType": "semver"
            },
            {
              "status": "unaffected",
              "version": "6.12.111",
              "versionType": "semver",
              "lessThanOrEqual": "6.12.*"
            },
            {
              "status": "unaffected",
              "version": "6.18.53",
              "versionType": "semver",
              "lessThanOrEqual": "6.18.*"
            },
            {
              "status": "unaffected",
              "version": "7.2.7",
              "versionType": "semver",
              "lessThanOrEqual": "7.2.*"
            },
            {
              "status": "unaffected",
              "version": "7.3-rc2",
              "versionType": "original_commit_for_fix",
              "lessThanOrEqual": "*"
            }
          ],
          "programFiles": [
            "drivers/nvme/target/rdma.c"
          ],
          "defaultStatus": "affected"
        }
      ]
    }
  ],
  "published": "2026-09-25T11:17:46.820",
  "references": [
    {
      "url": "https://git.kernel.org/stable/c/186414a6a1a34e081b07e8873622f90402346235",
      "tags": [
        "Patch"
      ],
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/287420cde9d6669abcd2878c344db67423eb7df6",
      "tags": [
        "Patch"
      ],
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/32e598324edc3ebb1ac9362d5b9fc30ce0de4873",
      "tags": [
        "Patch"
      ],
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/4f7cf573cdf0ee857448b9b1967d686b07c71e7d",
      "tags": [
        "Patch"
      ],
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/60d56bf0b14d3c545bacb9aeef92a7e6f2cf0caa",
      "tags": [
        "Patch"
      ],
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/e48f9d1076f8c62c3969588d638602b94aaeff12",
      "tags": [
        "Patch"
      ],
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/fb1ed67788e21832b614c23767a088c08cfdd2f2",
      "tags": [
        "Patch"
      ],
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    }
  ],
  "vulnStatus": "Undergoing Analysis",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-401"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnvmet-rdma: fix queue leak when connect backlog is exceeded\n\nWhen pending disconnecting queues exceed the backlog limit, the\nconnect path only drops the device reference and leaks the newly\nallocated queue and its IB resources."
    }
  ],
  "lastModified": "2026-10-02T15:08:03.150",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "D2623A50-55BD-4589-AD5C-711B7215C3B6",
              "versionEndExcluding": "6.12.111",
              "versionStartIncluding": "6.12.96"
            },
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "E7705E07-FFAE-48C3-BE81-14DDEC478D18",
              "versionEndExcluding": "6.18.53",
              "versionStartIncluding": "6.18.39"
            },
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "884C2A3B-3C29-41BB-ADFE-525F21B330B2",
              "versionEndExcluding": "7.2.7",
              "versionStartIncluding": "7.1.4"
            },
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:7.3:rc1:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "11E35E1B-5DB4-4AB9-9706-CD73B799EADF"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
}