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CVE-2026-74352

Estado: RecibidaSin puntuar—

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

of: reserved_mem: avoid post-init UAF when alloc_reserved_mem_array() fails

The global pointer 'reserved_mem' continues to reference the reserved_mem_array which lives in __initdata if alloc_reserved_mem_array() fails. of_reserved_mem_lookup() is exported for post-init use, that would dereference freed memory and trigger a use-after-free.

So reset reserved_mem_count to 0 when alloc_reserved_mem_array() fails.

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-2026-74352",
  "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": "b6ae53301eb41f0f59f83c161248b186bca7da70",
              "lessThan": "6d28e6ad3c5c9248577f21057baa9bf16fa9ef3b",
              "versionType": "git"
            },
            {
              "status": "affected",
              "version": "00c9a452a235c61f099504783badd9a7675ff5a5",
              "lessThan": "9af58d10d0d8c08b822de5fc99e61f31a87ede8d",
              "versionType": "git"
            },
            {
              "status": "affected",
              "version": "00c9a452a235c61f099504783badd9a7675ff5a5",
              "lessThan": "cbd3102fe27bc87da244bf4c3ba670ea4698b0a8",
              "versionType": "git"
            },
            {
              "status": "affected",
              "version": "00c9a452a235c61f099504783badd9a7675ff5a5",
              "lessThan": "e1686ca81dbf3edbde589b7daf312b45cbf76e03",
              "versionType": "git"
            }
          ],
          "programFiles": [
            "drivers/of/of_reserved_mem.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": "6.18.40",
              "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": [
            "drivers/of/of_reserved_mem.c"
          ],
          "defaultStatus": "affected"
        }
      ]
    }
  ],
  "published": "2026-08-15T06:22:36.543",
  "references": [
    {
      "url": "https://git.kernel.org/stable/c/6d28e6ad3c5c9248577f21057baa9bf16fa9ef3b",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/9af58d10d0d8c08b822de5fc99e61f31a87ede8d",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/cbd3102fe27bc87da244bf4c3ba670ea4698b0a8",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/e1686ca81dbf3edbde589b7daf312b45cbf76e03",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    }
  ],
  "vulnStatus": "Received",
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nof: reserved_mem: avoid post-init UAF when alloc_reserved_mem_array() fails\n\nThe global pointer 'reserved_mem' continues to reference the\nreserved_mem_array which lives in __initdata if\nalloc_reserved_mem_array() fails. of_reserved_mem_lookup() is\nexported for post-init use, that would dereference freed memory\nand trigger a use-after-free.\n\nSo reset reserved_mem_count to 0 when alloc_reserved_mem_array()\nfails."
    }
  ],
  "lastModified": "2026-08-17T06:19:29.907",
  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
}