« Volver al listado

CVE-2026-46282

Estado: AnalizadaMedia (5.5)—

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

iio: frequency: admv1013: fix NULL pointer dereference on str

When device_property_read_string() fails, str is left uninitialized but the code falls through to strcmp(str, ...), dereferencing a garbage pointer. Replace manual read/strcmp with device_property_match_property_string() and consolidate the SE mode enums into a single sequential enum, mapping to hardware register values via a switch consistent with other bitfields in the driver.

Several cleanup patches have been applied to this driver recently so this will need a manual backport.

CVSS

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)

Linux — Linux Kernel

CWE

Referencias

JSON original (NVD)

Mostrar
{
  "id": "CVE-2026-46282",
  "cveTags": [],
  "metrics": {
    "cvssMetricV31": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 5.5,
          "attackVector": "LOCAL",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
          "integrityImpact": "NONE",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "LOW",
          "confidentialityImpact": "NONE"
        },
        "impactScore": 3.6,
        "exploitabilityScore": 1.8
      }
    ]
  },
  "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": "da35a7b526d9b258a2cb8b7816f736a41b32176b",
              "lessThan": "3a9d8ec2051c2d80158ed7bded5e158c42870037",
              "versionType": "git"
            },
            {
              "status": "affected",
              "version": "da35a7b526d9b258a2cb8b7816f736a41b32176b",
              "lessThan": "5e9f1bad26df3d3afb3cbbfa408b6d6e809708ac",
              "versionType": "git"
            },
            {
              "status": "affected",
              "version": "da35a7b526d9b258a2cb8b7816f736a41b32176b",
              "lessThan": "2dc8d26690bf4e7226409563221c37bc095c94ff",
              "versionType": "git"
            },
            {
              "status": "affected",
              "version": "da35a7b526d9b258a2cb8b7816f736a41b32176b",
              "lessThan": "aac0a51b16700b403a55b67ba495de021db78763",
              "versionType": "git"
            }
          ],
          "programFiles": [
            "drivers/iio/frequency/admv1013.c"
          ],
          "defaultStatus": "unaffected"
        },
        {
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "product": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "5.17"
            },
            {
              "status": "unaffected",
              "version": "0",
              "lessThan": "5.17",
              "versionType": "semver"
            },
            {
              "status": "unaffected",
              "version": "6.12.86",
              "versionType": "semver",
              "lessThanOrEqual": "6.12.*"
            },
            {
              "status": "unaffected",
              "version": "6.18.27",
              "versionType": "semver",
              "lessThanOrEqual": "6.18.*"
            },
            {
              "status": "unaffected",
              "version": "7.0.4",
              "versionType": "semver",
              "lessThanOrEqual": "7.0.*"
            },
            {
              "status": "unaffected",
              "version": "7.1",
              "versionType": "original_commit_for_fix",
              "lessThanOrEqual": "*"
            }
          ],
          "programFiles": [
            "drivers/iio/frequency/admv1013.c"
          ],
          "defaultStatus": "affected"
        }
      ]
    }
  ],
  "published": "2026-06-08T17:16:45.940",
  "references": [
    {
      "url": "https://git.kernel.org/stable/c/2dc8d26690bf4e7226409563221c37bc095c94ff",
      "tags": [
        "Patch"
      ],
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/3a9d8ec2051c2d80158ed7bded5e158c42870037",
      "tags": [
        "Patch"
      ],
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/5e9f1bad26df3d3afb3cbbfa408b6d6e809708ac",
      "tags": [
        "Patch"
      ],
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/aac0a51b16700b403a55b67ba495de021db78763",
      "tags": [
        "Patch"
      ],
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    }
  ],
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-476"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\niio: frequency: admv1013: fix NULL pointer dereference on str\n\nWhen device_property_read_string() fails, str is left uninitialized\nbut the code falls through to strcmp(str, ...), dereferencing a garbage\npointer. Replace manual read/strcmp with\ndevice_property_match_property_string() and consolidate the SE mode\nenums into a single sequential enum, mapping to hardware register\nvalues via a switch consistent with other bitfields in the driver.\n\nSeveral cleanup patches have been applied to this driver recently so\nthis will need a manual backport."
    },
    {
      "lang": "es",
      "value": "En el kernel de Linux, la siguiente vulnerabilidad ha sido resuelta:\n\niio: frequency: admv1013: corrección de desreferencia de puntero NULL en str\n\nCuando device_property_read_string() falla, str queda sin inicializar, pero el código continúa hacia strcmp(str, ...), desreferenciando un puntero basura. Reemplazar la lectura/strcmp manual con device_property_match_property_string() y consolidar las enumeraciones de modo SE en una única enumeración secuencial, mapeando a valores de registro de hardware a través de un switch consistente con otros campos de bits en el controlador.\n\nVarios parches de limpieza han sido aplicados a este controlador recientemente, por lo que esto requerirá un backport manual."
    }
  ],
  "lastModified": "2026-07-23T08:10:00.137",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "E9F33D27-F3AA-49EF-8A71-D0AA86C50602",
              "versionEndExcluding": "6.12.86",
              "versionStartIncluding": "5.17"
            },
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "A10AC84F-C058-47D5-85B4-E6E51A613B74",
              "versionEndExcluding": "6.18.27",
              "versionStartIncluding": "6.13"
            },
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "CDB78D6D-22C3-4154-B0D0-94AF1CE5C2E3",
              "versionEndExcluding": "7.0.4",
              "versionStartIncluding": "6.19"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
}