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CVE-2026-74327

Estado: RecibidaSin puntuar—

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

vmalloc: fix NULL pointer dereference in is_vm_area_hugepages()

find_vm_area() can return NULL if the given address is not a valid vmalloc area. Check the return value before dereferencing it to avoid a kernel crash.

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-2026-74327",
  "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": "121e6f3258fe393e22c36f61a319be8a4f2c05ae",
              "lessThan": "c741485fa09bf5900f76d95424d86316d0a00331",
              "versionType": "git"
            },
            {
              "status": "affected",
              "version": "121e6f3258fe393e22c36f61a319be8a4f2c05ae",
              "lessThan": "b86f98e53df4f5d57259817b8e9a00167b78bae6",
              "versionType": "git"
            },
            {
              "status": "affected",
              "version": "121e6f3258fe393e22c36f61a319be8a4f2c05ae",
              "lessThan": "af71c2b88ccae44418e273bdfe0c96be8515151e",
              "versionType": "git"
            },
            {
              "status": "affected",
              "version": "121e6f3258fe393e22c36f61a319be8a4f2c05ae",
              "lessThan": "a1bca6b69bd934e2731d009e645038e05d57ce59",
              "versionType": "git"
            },
            {
              "status": "affected",
              "version": "121e6f3258fe393e22c36f61a319be8a4f2c05ae",
              "lessThan": "bbd664b7c77f6488cd5652231c0fe01d069a73ea",
              "versionType": "git"
            },
            {
              "status": "affected",
              "version": "121e6f3258fe393e22c36f61a319be8a4f2c05ae",
              "lessThan": "55a44f5259e6a5f1d5b11cb0e19e943c9cc62280",
              "versionType": "git"
            },
            {
              "status": "affected",
              "version": "121e6f3258fe393e22c36f61a319be8a4f2c05ae",
              "lessThan": "c55dd3b46c1208d6d2ea737a8aefef4aa4c70cb8",
              "versionType": "git"
            }
          ],
          "programFiles": [
            "include/linux/vmalloc.h"
          ],
          "defaultStatus": "unaffected"
        },
        {
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "product": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "5.13"
            },
            {
              "status": "unaffected",
              "version": "0",
              "lessThan": "5.13",
              "versionType": "semver"
            },
            {
              "status": "unaffected",
              "version": "5.15.212",
              "versionType": "semver",
              "lessThanOrEqual": "5.15.*"
            },
            {
              "status": "unaffected",
              "version": "6.1.178",
              "versionType": "semver",
              "lessThanOrEqual": "6.1.*"
            },
            {
              "status": "unaffected",
              "version": "6.6.145",
              "versionType": "semver",
              "lessThanOrEqual": "6.6.*"
            },
            {
              "status": "unaffected",
              "version": "6.12.97",
              "versionType": "semver",
              "lessThanOrEqual": "6.12.*"
            },
            {
              "status": "unaffected",
              "version": "6.18.40",
              "versionType": "semver",
              "lessThanOrEqual": "6.18.*"
            },
            {
              "status": "unaffected",
              "version": "7.1.5",
              "versionType": "semver",
              "lessThanOrEqual": "7.1.*"
            },
            {
              "status": "unaffected",
              "version": "7.2",
              "versionType": "original_commit_for_fix",
              "lessThanOrEqual": "*"
            }
          ],
          "programFiles": [
            "include/linux/vmalloc.h"
          ],
          "defaultStatus": "affected"
        }
      ]
    }
  ],
  "published": "2026-08-15T06:22:33.383",
  "references": [
    {
      "url": "https://git.kernel.org/stable/c/55a44f5259e6a5f1d5b11cb0e19e943c9cc62280",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/a1bca6b69bd934e2731d009e645038e05d57ce59",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/af71c2b88ccae44418e273bdfe0c96be8515151e",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/b86f98e53df4f5d57259817b8e9a00167b78bae6",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/bbd664b7c77f6488cd5652231c0fe01d069a73ea",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/c55dd3b46c1208d6d2ea737a8aefef4aa4c70cb8",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/c741485fa09bf5900f76d95424d86316d0a00331",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    }
  ],
  "vulnStatus": "Received",
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nvmalloc: fix NULL pointer dereference in is_vm_area_hugepages()\n\nfind_vm_area() can return NULL if the given address is not a valid vmalloc\narea.  Check the return value before dereferencing it to avoid a kernel\ncrash."
    }
  ],
  "lastModified": "2026-08-17T06:19:27.117",
  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
}