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CVE-2026-93179

Estado: RecibidaSin puntuar—

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

drm/amd/powerplay: fix VoltageObjectInfo zero-stride loop and OOB read

Reject voltage objects whose usSize is smaller than the header or would advance the cursor past the table end, preventing an infinite loop or heap OOB read when the VBIOS supplies a malformed VoltageObjectInfo table.

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-2026-93179",
  "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": "c82baa28184356a75c0157129f88af42b2e7b695",
              "lessThan": "83c680de6d41d627c077dedb24f89d9e5be0e2a2",
              "versionType": "git"
            },
            {
              "status": "affected",
              "version": "c82baa28184356a75c0157129f88af42b2e7b695",
              "lessThan": "5d3cc8e388464f485d0944b87b8f9426e637d082",
              "versionType": "git"
            }
          ],
          "programFiles": [
            "drivers/gpu/drm/amd/pm/powerplay/hwmgr/ppatomctrl.c",
            "drivers/gpu/drm/amd/pm/powerplay/hwmgr/ppatomfwctrl.c"
          ],
          "defaultStatus": "unaffected"
        },
        {
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "product": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "4.5"
            },
            {
              "status": "unaffected",
              "version": "0",
              "lessThan": "4.5",
              "versionType": "semver"
            },
            {
              "status": "unaffected",
              "version": "7.2.6",
              "versionType": "semver",
              "lessThanOrEqual": "7.2.*"
            },
            {
              "status": "unaffected",
              "version": "7.3-rc1",
              "versionType": "original_commit_for_fix",
              "lessThanOrEqual": "*"
            }
          ],
          "programFiles": [
            "drivers/gpu/drm/amd/pm/powerplay/hwmgr/ppatomctrl.c",
            "drivers/gpu/drm/amd/pm/powerplay/hwmgr/ppatomfwctrl.c"
          ],
          "defaultStatus": "affected"
        }
      ]
    }
  ],
  "published": "2026-09-17T17:18:13.773",
  "references": [
    {
      "url": "https://git.kernel.org/stable/c/5d3cc8e388464f485d0944b87b8f9426e637d082",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/83c680de6d41d627c077dedb24f89d9e5be0e2a2",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    }
  ],
  "vulnStatus": "Received",
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/amd/powerplay: fix VoltageObjectInfo zero-stride loop and OOB read\n\nReject voltage objects whose usSize is smaller than the header or would\nadvance the cursor past the table end, preventing an infinite loop or\nheap OOB read when the VBIOS supplies a malformed VoltageObjectInfo table."
    }
  ],
  "lastModified": "2026-09-17T17:18:13.773",
  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
}