CVE-2023-53797

Estado: AplazadaAlta (7.1)—

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

HID: wacom: Use ktime_t rather than int when dealing with timestamps

Code which interacts with timestamps needs to use the ktime_t type returned by functions like ktime_get. The int type does not offer enough space to store these values, and attempting to use it is a recipe for problems. In this particular case, overflows would occur when calculating/storing timestamps leading to incorrect values being reported to userspace. In some cases these bad timestamps cause input handling in userspace to appear hung.

CVSS

Versión: 3.1
Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H
Puntuación base: 7.1

Probabilidad de explotación (EPSS)

Probabilidad de explotación en los próximos 30 días: 0.30%
Percentil entre todas las CVEs puntuadas: 20
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.

ExplotaciónT1210 Exploitation of Remote Serviceslateral movement45 %
Impacto principalT1499.004 Application or System Exploitationimpact55 %
Impacto secundarioT1565.001 Stored Data Manipulationimpact40 %

Vulnerabilidad en controlador HID/Wacom (acceso AV:A, red adyacente). Overflow de timestamps causa DoS en manejo de entrada y corrupción de datos reportados a userspace.

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

Vulnerability Scanning Threat Intelligence Program Restrict File and Directory Permissions Privileged Account Management Remote Data Storage Network Segmentation

Tecnologías afectadas (1)

⚠ Inferidas por IA a partir de la descripción — NVD aún no ha analizado esta CVE; no son CPE verificados.

Linux — Linux Kernel^AI

Referencias

JSON original (NVD)

Mostrar

{
  "id": "CVE-2023-53797",
  "cveTags": [],
  "metrics": {
    "cvssMetricV31": [
      {
        "type": "Secondary",
        "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 7.1,
          "attackVector": "ADJACENT_NETWORK",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H",
          "integrityImpact": "LOW",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "NONE"
        },
        "impactScore": 4.2,
        "exploitabilityScore": 2.8
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  "published": "2025-12-09T01:16:51.340",
  "references": [
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      "url": "https://git.kernel.org/stable/c/67ce7724637c6adb66f788677cb50b82615de0ac",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
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    }
  ],
  "vulnStatus": "Deferred",
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nHID: wacom: Use ktime_t rather than int when dealing with timestamps\n\nCode which interacts with timestamps needs to use the ktime_t type\nreturned by functions like ktime_get. The int type does not offer\nenough space to store these values, and attempting to use it is a\nrecipe for problems. In this particular case, overflows would occur\nwhen calculating/storing timestamps leading to incorrect values being\nreported to userspace. In some cases these bad timestamps cause input\nhandling in userspace to appear hung."
    }
  ],
  "lastModified": "2026-08-04T10:19:21.667",
  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
}