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CVE-2026-23305

Estado: AnalizadaAlta (7.1)—

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

accel/rocket: fix unwinding in error path in rocket_probe

When rocket_core_init() fails (as could be the case with EPROBE_DEFER), we need to properly unwind by decrementing the counter we just incremented and if this is the first core we failed to probe, remove the rocket DRM device with rocket_device_fini() as well. This matches the logic in rocket_remove(). Failing to properly unwind results in out-of-bounds accesses.

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).

🎯 Técnicas ATT&CK

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

AV:L/PR:L sin UI indica escalada local. Out-of-bounds en kernel permite ejecución de código o DoS; C:H/A:H confirma impacto crítico de lectura y disponibilidad.

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

Execution PreventionThreat Intelligence ProgramRestrict Web-Based ContentPrivileged Account ManagementLimit Software InstallationFilter Network Traffic

Tecnologías afectadas (1)

Linux — Linux Kernel

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2026-23305",
  "cveTags": [],
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        "source": "nvd@nist.gov",
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          "baseScore": 7.1,
          "attackVector": "LOCAL",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H",
          "integrityImpact": "NONE",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "LOW",
          "confidentialityImpact": "HIGH"
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        "impactScore": 5.2,
        "exploitabilityScore": 1.8
      }
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          "vendor": "Linux",
          "product": "Linux",
          "versions": [
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          "programFiles": [
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          "defaultStatus": "affected"
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  ],
  "published": "2026-03-25T11:16:26.347",
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      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
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      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
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  "vulnStatus": "Analyzed",
  "weaknesses": [
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      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-125"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\naccel/rocket: fix unwinding in error path in rocket_probe\n\nWhen rocket_core_init() fails (as could be the case with EPROBE_DEFER),\nwe need to properly unwind by decrementing the counter we just\nincremented and if this is the first core we failed to probe, remove the\nrocket DRM device with rocket_device_fini() as well. This matches the\nlogic in rocket_remove(). Failing to properly unwind results in\nout-of-bounds accesses."
    },
    {
      "lang": "es",
      "value": "En el kernel de Linux, la siguiente vulnerabilidad ha sido resuelta:\n\naccel/rocket: corregir el desenrollado en la ruta de error en rocket_probe\n\nCuando rocket_core_init() falla (como podría ser el caso con EPROBE_DEFER), necesitamos desenrollar correctamente decrementando el contador que acabamos de incrementar y, si este es el primer núcleo que no pudimos sondear, eliminar también el dispositivo DRM de rocket con rocket_device_fini(). Esto coincide con la lógica en rocket_remove(). No desenrollar correctamente resulta en accesos fuera de límites."
    }
  ],
  "lastModified": "2026-06-17T10:21:17.707",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
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              "vulnerable": true,
              "matchCriteriaId": "91D34097-62D4-400A-8894-1A45A5B44EEA",
              "versionEndExcluding": "6.18.17",
              "versionStartIncluding": "6.18"
            },
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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          "operator": "OR"
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  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
}