CVE-2026-46261 (GCVE-0-2026-46261)
Vulnerability from cvelistv5
Published
2026-06-03 15:49
Modified
2026-06-03 15:49
Severity ?
Summary
In the Linux kernel, the following vulnerability has been resolved: spi: wpcm-fiu: Fix potential NULL pointer dereference in wpcm_fiu_probe() platform_get_resource_byname() can return NULL, which would cause a crash when passed the pointer to resource_size(). Move the fiu->memory_size assignment after the error check for devm_ioremap_resource() to prevent the potential NULL pointer dereference.
References
Impacted products
Vendor Product Version
Linux Linux Version: 9838c182471ee5532824bae7f2669d3539719f78
Version: 9838c182471ee5532824bae7f2669d3539719f78
Version: 9838c182471ee5532824bae7f2669d3539719f78
Version: 9838c182471ee5532824bae7f2669d3539719f78
Version: 9838c182471ee5532824bae7f2669d3539719f78
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{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "drivers/spi/spi-wpcm-fiu.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
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            },
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          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "drivers/spi/spi-wpcm-fiu.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "6.2"
            },
            {
              "lessThan": "6.2",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.6.*",
              "status": "unaffected",
              "version": "6.6.128",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.12.*",
              "status": "unaffected",
              "version": "6.12.75",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.18.*",
              "status": "unaffected",
              "version": "6.18.14",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.19.*",
              "status": "unaffected",
              "version": "6.19.4",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "7.0",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.6.128",
                  "versionStartIncluding": "6.2",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.12.75",
                  "versionStartIncluding": "6.2",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.18.14",
                  "versionStartIncluding": "6.2",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.19.4",
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                {
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                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nspi: wpcm-fiu: Fix potential NULL pointer dereference in wpcm_fiu_probe()\n\nplatform_get_resource_byname() can return NULL, which would cause a crash\nwhen passed the pointer to resource_size().\n\nMove the fiu-\u003ememory_size assignment after the error check for\ndevm_ioremap_resource() to prevent the potential NULL pointer dereference."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-06-03T15:49:58.684Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/9e5cb7e67fbdb8320d68d87db882a92b36f6a1d9"
        },
        {
          "url": "https://git.kernel.org/stable/c/2c538a0b3472e99c892c26f4940da38b7d87f632"
        },
        {
          "url": "https://git.kernel.org/stable/c/0f93a80eb3fd596ddc5730d05e0e8c88e1aa2891"
        },
        {
          "url": "https://git.kernel.org/stable/c/cb9b2dc34a9eef0855edb00ae9c9b7f72394281b"
        },
        {
          "url": "https://git.kernel.org/stable/c/888a0a802c467bbe34a42167bdf9d7331333440a"
        }
      ],
      "title": "spi: wpcm-fiu: Fix potential NULL pointer dereference in wpcm_fiu_probe()",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2026-46261",
    "datePublished": "2026-06-03T15:49:58.684Z",
    "dateReserved": "2026-05-13T15:03:33.108Z",
    "dateUpdated": "2026-06-03T15:49:58.684Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}


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