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CVE-2026-81018

Estado: RecibidaSin puntuar—

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

platform/x86: think-lmi: Free system certificate signatures

Multi-certificate support also allows the system authentication object to store ->signature and ->save_signature, which leak when the driver is removed. Free the signatures to avoid leaking memory.

CVSS

NVD no ha asignado puntuación CVSS a esta CVE (habitual desde el cambio de política de abril de 2026).

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)

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

Linux — Linux KernelAI

Referencias

JSON original (NVD)

Mostrar
{
  "id": "CVE-2026-81018",
  "cveTags": [],
  "metrics": {},
  "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": "5dcb5ef125907d09806509a9db8c6705041e0026",
              "lessThan": "9c28adde051fe76a7754856d0a414ab89adcaa4d",
              "versionType": "git"
            },
            {
              "status": "affected",
              "version": "5dcb5ef125907d09806509a9db8c6705041e0026",
              "lessThan": "abbcc0354108cf47a6055b951182bf73520d0363",
              "versionType": "git"
            },
            {
              "status": "affected",
              "version": "5dcb5ef125907d09806509a9db8c6705041e0026",
              "lessThan": "abca989604f60fe29d7170431f819e28ec7d868a",
              "versionType": "git"
            }
          ],
          "programFiles": [
            "drivers/platform/x86/lenovo/think-lmi.c"
          ],
          "defaultStatus": "unaffected"
        },
        {
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "product": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "6.13"
            },
            {
              "status": "unaffected",
              "version": "0",
              "lessThan": "6.13",
              "versionType": "semver"
            },
            {
              "status": "unaffected",
              "version": "6.18.50",
              "versionType": "semver",
              "lessThanOrEqual": "6.18.*"
            },
            {
              "status": "unaffected",
              "version": "7.2.4",
              "versionType": "semver",
              "lessThanOrEqual": "7.2.*"
            },
            {
              "status": "unaffected",
              "version": "7.3-rc1",
              "versionType": "original_commit_for_fix",
              "lessThanOrEqual": "*"
            }
          ],
          "programFiles": [
            "drivers/platform/x86/lenovo/think-lmi.c"
          ],
          "defaultStatus": "affected"
        }
      ]
    }
  ],
  "published": "2026-09-11T20:19:10.813",
  "references": [
    {
      "url": "https://git.kernel.org/stable/c/9c28adde051fe76a7754856d0a414ab89adcaa4d",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/abbcc0354108cf47a6055b951182bf73520d0363",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/abca989604f60fe29d7170431f819e28ec7d868a",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    }
  ],
  "vulnStatus": "Received",
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nplatform/x86: think-lmi: Free system certificate signatures\n\nMulti-certificate support also allows the system authentication object\nto store ->signature and ->save_signature, which leak when the driver is\nremoved. Free the signatures to avoid leaking memory."
    }
  ],
  "lastModified": "2026-09-11T20:19:10.813",
  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
}