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CVE-2026-80703

Estado: RecibidaSin puntuar—

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

drm/amdkfd: Fix missing authorization check in KFD_IOC_DBG_TRAP_DISABLE

Prevent unauthorized termination of active GPU debug sessions. Previously, users with /dev/kfd access could terminate another process's debug session without proper ownership or ptrace authorization.

(cherry picked from commit 4db4c5ffd5585b72622ecf6ffedf2da258ee23f5)

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-2026-80703",
  "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": "0ab2d7532b05a3e7c06fd3b0c8bd6b46c1dfb508",
              "lessThan": "ce813614f63b020a826071276a92f2cfae7cba79",
              "versionType": "git"
            },
            {
              "status": "affected",
              "version": "0ab2d7532b05a3e7c06fd3b0c8bd6b46c1dfb508",
              "lessThan": "b8c05061997408bf81759f2dd31cd5f66771d15f",
              "versionType": "git"
            },
            {
              "status": "affected",
              "version": "0ab2d7532b05a3e7c06fd3b0c8bd6b46c1dfb508",
              "lessThan": "9e52212aff8ed1fd9087728f61243ce3efd9d0ac",
              "versionType": "git"
            },
            {
              "status": "affected",
              "version": "0ab2d7532b05a3e7c06fd3b0c8bd6b46c1dfb508",
              "lessThan": "4070909ac042f44654aac72f7986ea550c96f591",
              "versionType": "git"
            },
            {
              "status": "affected",
              "version": "0ab2d7532b05a3e7c06fd3b0c8bd6b46c1dfb508",
              "lessThan": "99b2fe4f19e3be0a8d0a0b5ea98d855970889653",
              "versionType": "git"
            }
          ],
          "programFiles": [
            "drivers/gpu/drm/amd/amdkfd/kfd_chardev.c"
          ],
          "defaultStatus": "unaffected"
        },
        {
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "product": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "6.5"
            },
            {
              "status": "unaffected",
              "version": "0",
              "lessThan": "6.5",
              "versionType": "semver"
            },
            {
              "status": "unaffected",
              "version": "6.6.151",
              "versionType": "semver",
              "lessThanOrEqual": "6.6.*"
            },
            {
              "status": "unaffected",
              "version": "6.12.103",
              "versionType": "semver",
              "lessThanOrEqual": "6.12.*"
            },
            {
              "status": "unaffected",
              "version": "6.18.44",
              "versionType": "semver",
              "lessThanOrEqual": "6.18.*"
            },
            {
              "status": "unaffected",
              "version": "7.1.8",
              "versionType": "semver",
              "lessThanOrEqual": "7.1.*"
            },
            {
              "status": "unaffected",
              "version": "7.2",
              "versionType": "original_commit_for_fix",
              "lessThanOrEqual": "*"
            }
          ],
          "programFiles": [
            "drivers/gpu/drm/amd/amdkfd/kfd_chardev.c"
          ],
          "defaultStatus": "affected"
        }
      ]
    }
  ],
  "published": "2026-08-28T08:16:55.850",
  "references": [
    {
      "url": "https://git.kernel.org/stable/c/4070909ac042f44654aac72f7986ea550c96f591",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/99b2fe4f19e3be0a8d0a0b5ea98d855970889653",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/9e52212aff8ed1fd9087728f61243ce3efd9d0ac",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/b8c05061997408bf81759f2dd31cd5f66771d15f",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/ce813614f63b020a826071276a92f2cfae7cba79",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    }
  ],
  "vulnStatus": "Received",
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/amdkfd: Fix missing authorization check in KFD_IOC_DBG_TRAP_DISABLE\n\nPrevent unauthorized termination of active GPU debug sessions.\nPreviously, users with /dev/kfd access could terminate another process's\ndebug session without proper ownership or ptrace authorization.\n\n(cherry picked from commit 4db4c5ffd5585b72622ecf6ffedf2da258ee23f5)"
    }
  ],
  "lastModified": "2026-08-30T07:17:21.563",
  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
}